NEWSLETTERof the International Consortium“Development of High-Power Terahertz
Science & Technology”
October 2017

№7

CONTENT Editorial(Page 1)

How to contribute to the Newsletter International Collaborative Research Program at FIR UF
Advancing to a new Collaborative International Research Program Personalia and Awards
Professor M. Thumm awarded IRMMW-THz Society Exceptional Service Award
 Past and upcoming events
 Presenting our collaborators
Institute of Electronics of the Bulgarian Academy of Sciences
 List of selected recent publications and patents
 New books
 News from the Net(Page 2)
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EDITORIAL: HOW TO CONTRIBUTE TO THE NEWSLETTER
Dear Reader,
We are inviting contributions to the following rubrics:• Research highlights (annotations) presenting the projects pursued by the members of the Consortium.
• Short regular papers.
• Proposals for collaborative research work.
• News from the participating institutions.
• Information about conferences, symposia, workshops, seminars.
• Programs and frameworks for an exchange of visits and mobility of researchers. Job opportunities(especially for young researchers, e.g. postdoctoral positions, specializations, internships).
• Annotations of books, conference proceedings, software and internet resources. Additions to the list of
the recent scientific publications and conference reports at the website of the Consortium(http://fir.ufukui.ac.jp/Website_Consortium/publist.html ).
• Information and announcements about awards and nominations.
• Short presentations of laboratories and research groups belonging to the participating institutions.
Please submit your contributions to the Newsletter as well as requests for information to:Professor Toshitaka Idehara
Supervisor of International Cooperation
and Facilitator of the International
Consortium
FIR UFidehara@fir.u-fukui.ac.jp

Dr. Svilen Sabchevski
Editor of the website and the Newsletter
Institute of Electronics of the Bulgarian
Academy of Sciences
IE-BASsabch@ie.bas.bg

INTERNATIONAL COLLABORATIVE RESEARCH PROGRAM

On 2 October 2017, the Research Center for Development of Far-Infrared Region, University of Fukui (FIR
UF), announced a new International Collaborative Research Program. This program aims to support thedevelopment of the high-power Terahertz science and technology through international personnel exchange visitsand studies, being performed at the FIR UF in a wide interdisciplinary field that includes the development ofradiation sources (most notably gyrotrons and other gyro-devices) and their applications in physical experiments
and advanced novel technologies.
More detailed information about the International Collaborative Research Program and the application form
are available at the website of the International Consortium for Development of High-Power Terahertz Scienceand Technology (visit: http://fir.u-fukui.ac.jp/Website_Consortium/index.html). We are inviting proposals forcollaborative research work advancing to this new International Collaborative Research Program.

PERSONALIA AND AWARDS
IRMMW-THz Society Exceptional Service Award
During the 42nd International Conference on Infrared, Millimeter, and Terahertz Waves held in Cancún,
Mexico, at the end of August 2017, Prof. Dr. Dr.h.c. Manfred Thumm from the Institute for Pulsed Power andMicrowave Technology at Karlsruhe Institute of Technology (IHM-KIT) received the "Exceptional Service
Award (ESA)" from the International Society of Infrared, Millimeter, and Terahertz Waves (IRMMW-THz
Society). Prof. Thumm received this award for his long-standing, dedicated and highly successful collaborationin the International Organization Committee (since 2004), the Kenneth John Button (KJB) Prize Committee(since 2001) and the Best Student Paper Prize Committee since 2011) of the conference series. In particular, he
was honored to organize the first "Joint 29th International Conference on Infrared and Millimeter Waves and12th International Conference on Terahertz Electronics" at the University of Karlsruhe in the autumn of 2004.
The merger of the two conference series took place only 5 months before the start of the joint conference wasadopted. Since 1983, he and his colleagues contributed over 330 contributions to the annual IRMMW-THz
conferences. In 2000, he received the "KJB Prize" of the IOP London, which was connected to the conference
series, for his contributions to the generation, transmission and application of high-power millimeter waves fromgyrotron tubes.

The recipient of this prize for 2018 is Dr. Gian Piero Gallerano, ENEA-Frascati, Rome, Italy.
Visit: http://www.irmmw-thz.org/society-prizes

PAST AND UPCOMING EVENTSIRMMW-THz CONFERENCE: Cancún passed the baton to Nagoya
The 42nd Conference IRMMW-THz was held successfully from 27 August to 1 September 2107 in Cancún,
Mexico (visit: http://www.cio.mx/irmmw-thz2017).

IRMMW-THz 2018 will take place in Nagoya, Japan between Sunday September 9 and Friday September 14,
2018. The Co-Chairs are: Professor Toshitaka Idehara and Professor Masahiko Tani from the University of Fukui,
Fukui, Japan.

Visit the website of IRMMW-THz 2017 at: http://www.irmmw-thz2018.org/

New horizons of the high-power THz science and technology have been reported at the 10th
International Workshop “Strong Microwaves and Terahertz Waves: Sources andApplications”

The 10th International Workshop “Strong Microwaves and Terahertz Waves: Sources and Applications”,
organized by the Institute of Applied Physics of the Russian Academy of Sciences (IAP-RAS) was held from 17
July to 22 July, 2017 on board of a river boat starting from Nizhny Novgorod, Russia.
The traditionally rich and diverse scientific program of the Workshop was organized in four stronglyinterrelated topical symposia:
 Symposium S: High-power microwave sources;
 Symposium H: Current drive and plasma heating by microwaves in nuclear fusion devices; Symposium T: Extreme and nonlinear terahertz science (metamaterials for strong THz generation andfrequency conversion, nonlinear effects in THz frequencies, high power THz sources); Symposium A: High power microwave and terahertz applications (including accelerators, radars, gas
discharges, materials processing, biomedical applications etc.)
During the Workshop, 153 participants from 15 countries presented 172 reports of which 23 plenary talks.
The greatest number of reports was presented by the participants in the Symposium S: “High-power microwave
sources". Sources of high-power microwave radiation". Most of the reports were devoted to the development of
millimeter and submillimeter wave sources and associated components for many novel and emerging applications.
Among them are powerful gyrotrons for controlled thermonuclear fusion, microwave processing of materials,
plasma physics, and advanced spectroscopic techniques (most notably DNP-NMR spectroscopy).
The proceedings of the Workshop are available online on EPJ Web of Conferences website (Open Access):
A.G. Litvak (Ed.), 10th International Workshop 2017 “Strong Microwaves and Terahertz Waves: Sources andApplications”, Nizhny Novgorod, Russia, July 17-22, 2017.

Visit the website of the Workshop (http://www.smp.sci-nnov.ru/ ) for links to more photos and videos.

PRESENTING OUR COLLABORATORSInstitute of Electronics of the Bulgarian Academy of Sciences

The Institute of Electronics of the Bulgarian Academy of Sciences (IE-BAS) is a longstanding research partnerof the Research Center for Development of Far-Infrared Region at the University of Fukui since 1999 and amember of the International Consortium for Development of High-Power Terahertz Science and Technology. IEBAS was established in 1963 as a non-profit state organization conducting research, education, and disseminationof scientific knowledge in the fields of Physical Electronics, Radio Physics, Photonics and Quantum Electronics.
In recent years, the Institute of Electronics evolved as a leading scientific institution in these areas of applied
physics and engineering within the Bulgarian Academy of Sciences. Through the years, the Institute's research
field and structure have developed dynamically in response to the changes taking place in the main trends inapplied physics and technologies: plasma physics, materials science and technologies, physics of nano-sized
objects and nanotechnologies, nanoelectronics, photonics, opto-electronics, quantum optics, environmental
physics and monitoring, biomedical photonics and biomedical applications. The collaboration between IE-BAS
and FIR UF is focused on the development, numerical studies, computer-aided design and applications ofgyrotrons operating in the sub-THz to THz frequency range to novel scientific and technological fields.
From 15 to 18 July 2017 the Director of FIR UF Professor M. Tani visited IE-BAS. In his invited lecture to
the seminar of IE-BAS he presented the research activities of FIR UF and the International Consortium. During
his visit, Professor M. Tani discussed the bilateral collaboration between the institutions with the Director of IEBAS Professor L. Avramov and Professor S. Sabchevski – Head of the Laboratory Plasma Physics andEngineering. Alongside with other frameworks and forms of collaborative research he introduced the crossappointment scheme, which is being implemented in the University of Fukui.

Professor M. Tani at the seminar of IE-BAS

Professor M. Tani and Professor L. Avramov

LIST OF SELECTED RECENT PUBLICATIONS
Bibliography and links to selected recent publications on topics related to the research fieldof the International Consortium and published after June 2017, i.e. after issuing theprevious Newsletter #6. These cumulative list are in chronological order as collected fromvarious bibliographical and alert services
A. Publications by authors from the institutions participating in the International Consortium
Mesyats G.A., Ginzburg N.S., Golovanov A.A., Denisov G.G., Romanchenko I.V., Rostov V.V., Sharypov K.A.,
Shpak V.G., Shunailov S.A., Ulmaskulov M.R., Yalandin M.I., Zotova I.V., “Phase-Imposing Initiation of
Cherenkov Superradiance Emission by an Ultrashort-Seed Microwave Pulse,” Phys. Rev. Lett., vol. 118, n. 26(2017) 264801. DOI:10.1103/PhysRevLett.118.264801.
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.264801
Bykov Yu.V., Egorov S.V., Eremeev A.G., Plotnikov I.V., Rybakov K.I., Sorokin A.A., Kholoptsev V.V., “Effectof specific absorbed power on microwave sintering of 3YSZ ceramics,” IOP Conf. Series: Materials Science andEngineering, vol. 218 (2017) 012001 DOI:10.1088/1757-899X/218/1/012001.
http://iopscience.iop.org/article/10.1088/1757-899X/218/1/012001/pdf
Abramov I.S., Gospodchikov E.D., Shalashov A.G., “Prospects of extreme ultraviolet radiation sources based on
microwave discharge for high-resolution lithography,” Physics of Plasmas, vol. 24, n. 7 (2017) 073511.
DOI:10.1063/1.4993596.
http://aip.scitation.org/doi/full/10.1063/1.4993596
Mesyats G.A., Ginzburg N.S., Golovanov A.A., Denisov G.G., Romanchenko I.V., Rostov V.V., Sharypov K.A.,
Shpak V.G., Shunailov S.A.,Ulmaskulov M.R., Yalandin M.I., Zotova I.V., “Phase-Imposing Initiation of
Cherenkov Superradiance Emission by an Ultrashort-Seed Microwave Pulse,” Phys. Rev. Lett., vol. 118, n. 26(2017) 264801. DOI:10.1103/PhysRevLett.118.264801.
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.264801
Ruess S., Gantenbein G., Illy S., Kobarg T., Pagonakis I.G., Rzesnicki T., Thumm M., Weggen J., Jelonnek J.,"Tolerance Studies on an Inverse Magnetron Injection Gun for a 2-MW 170-GHz Coaxial-Cavity Gyrotron,"
IEEE Trans. on Electron Devices, (2017) pp. 7. DOI:10.1109/TED.2017.2723160.
http://ieeexplore.ieee.org/document/7983432/?reload=true
Kato K., Qiu H., Khutoryan E.M., Tatematsu Y., Tani M., Idehara T., Yamaguchi Y., Fukunari M., Maeda Y.,
Takayama K., Minami Y., Empizo M.J.F., Kurihara T., Yamanoi K., Shimizu T., Takano K., Sarukura N., Fukuda
T., Yoshimura M., Nakajima M., “Strong yellow emission of high-conductivity bulk ZnO single crystals
irradiated with high-power gyrotron beam,” Applied Physics Letters, vol. 111, n. 3 (2017) 031108. DOI:10.10
63/1.4994316.
http://aip.scitation.org/doi/10.1063/1.4994316
Jellonek J., Aiello G., Alberti S., Avramidis K., Braunmueller F., Bruschi A., Chelis J., Franck J., Franke T.,
Gantenbein G., Garavaglia S., Granucci G., Grossetti G., Illy S., Ioannidis Z.C., Jin, J., Kalaria P., Latsas G.P.,
Pagonakis I.Gr., Rzesnicki T., Ruess S., Scherer T., Schmid M., Strauss D., Wu C., Tigelis I., Thumm M., Tran
M.Q., “Design Considerations for Future DEMO Gyrotrons: A Review on Related Gyrotron Activities within
EUROfusion,” Preprint of Paper to be submitted for publication in Proceedings of 29th Symposium on Fusion
Technology (SOFT 2016) pp 7. DOI: 10.1016/j.fusengdes.2017.01.047.
http://www.euro-fusionscipub.org/wp-content/uploads/WPHCDCP16_16517_submitted.pdf
Fukunari M., Komurasaki K., Nakamura Y., Oda Y., Sakamoto K., “Rocket Propulsion Powered Using a Gyrotron,” Journal of Energy and Power Engineering, vol. 11 (2017) 363-371. DOI:10.17265/1934-8975/2017.06.001.

http://www.davidpublisher.org/Public/uploads/Contribute/5949ee8740d99.pdf
Thumm M., “State-of-the-Art of High Power Gyro-Devices and Free Electron Masers Update 2016,” KITSCIENTIFIC REPORTS 7735 (2017) 196 pp. ISSN 1869-9669. DOI: 10.5445/KSP/1000068193.
https://publikationen.bibliothek.kit.edu/1000068193
Gitlin M.S., Glyavin, M.Yu., Fedotov A.E., Tsvetkov A.I., “Imaging of spatial distributions of the millimeterwave intensity by using the Visible Continuum Radiation from a discharge in a CsXe mixture. Part II:
Demonstration of application capabilities of the technique, Plasma Physics Reports, vol. 43, n. 7 (2017) 778-791.
DOI:10.1134/S1063780X17070066.
https://rd.springer.com/article/10.1134%2FS1063780X17070066
Burt G., ZhangL., Constable D.A., Yin H., Lingwood C.J., He W., Paoloni C., Cross A.W., "A Millimeter-Wave
Klystron Upconverter With a Higher Order Mode Output Cavity," IEEE Trans. on Electron Devices, (2017) pp.
6. DOI:10.1109/TED.2017.2724581.
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7990587&isnumber=4358746
Denisov G., Kazansky I., Malygin V., Soluyanova E., Tai E., Chirkov A., “Series of powerful CW gyrotrons in
the range 105 – 140 GHz,” EPJ Web of Conferences, vol. 147 (2017) 04003. DOI: 10.1051/epjconf/201714
704003.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/16/epjconf_ec2017_04003.pdf
Ell B., Pagonakis I.G., Gantenbein G., Illy S., Thumm M., Jelonnek J., "Study of the Influence of Stray Magnetic
Fields on the Operation of the European Gyrotron for ITER," IEEE Trans. on Electron Devices, vol. 64, n. 8
(2017) 3421-3428. DOI: 10.1109/TED.2017.2716385.
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7967848&isnumber=7983475
Petelin M. I., “The First Decade of the Gyrotronics,” Journal of Infrared, Millimeter, and Terahertz Waves, vol.38,
n. 11 (2017) 1387–1396. DOI:10.1007/s10762-017-0423-9.
https://rd.springer.com/article/10.1007/s10762-017-0423-9
Ioannidis Z.C., Rzesnicki T., Albajar F., Alberti S., Avramidis K.A., Bin W., Bonicelli T., Bruschi A., Chelis I.,
Frigot P.E., Gantenbein G., Hermann V., Hogge J.P., Illy S., Jin J., Jelonnek J., Kasparek W., Latsas G., Lechte
C., Legrand F., Kobarg T., Pagonakis I.G., Rozier Y., Schlatter C., Schmid M., TigelisI.G., Thumm M., Tran
M.Q., Zein A., Zisis A., "CW Experiments With the EU 1-MW, 170-GHz Industrial Prototype Gyrotron for ITER
at KIT," IEEE Trans. on Electron Devices, (2017) pp.1-8. DOI: 10.1109/TED.2017.2730242.
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7997735&isnumber=4358746
Bandurkin I.V., Glyavin M.Y., Kuzikov S.V., Makhalov P.B., Osharin I.V., Savilov A.V., "Method of Providing
the High Cyclotron Harmonic Operation Selectivity in a Gyrotron With a Spatially Developed Operating Mode,"IEEE Trans. on Electron Devices, (2017) pp. 5. DOI:10.1109/TED.2017.2731982.
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8002605&isnumber=4358746
Tsvetkov A.I., Eremeev A.G., Kholoptsev V.V., Shmelev M.Yu., Plotnikov I.V., Bykov Yu.V., Kopelovich E.A.,
Novikov A.Yu., Troitskiy M.M., Kuznetsov M.V., Zhurin K.A., Fokin A.P., Morozkin M.V., Glyavin M.Yu.,
Bakulin M.I., Denisov G.G., Soluyanova E.A., Tai E.M., “45GHz/20kW gyrotron setup with automated output
power control for ECR ion source,” EPJ Web Conf., vol. 149 (2017) 04032. DOI: 10.1051/epjconf/201714
904032.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04032.pdf
Leontyev A.N., Abubakirov E.B.,. Chirkov A.V, Denisov G.G., Guznov Yu.M., Kornishin S.Yu., Plankin O.P.,
Rozental R.M., Sedov A.S., Semenov E.S., Zavolsky N.A., Zapevalov S.A., Zapevalov V.E., “W-band 5 MW
pulse relativistic gyrotron: development and experimental implementation,” EPJ Web Conf., vol. 149 (2017)
04026. DOI:10.1051/epjconf/201714904026.

https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04026.pdf
Zotova I.V., Ginzburg N.S., Morozkin M.V., Rozental R.M., Sergeev A.S., Fedotov A.E., Tarakanov V.P.,“Generation of rogue waves in gyrotrons with high excess over the threshold,” EPJ Web Conf., vol. 149 (2017)
04006. DOI: 10.1051/epjconf/201714904006.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04006.pdf
Denisov G.G., Fokin A.P., Glyavin M.Yu., Golubiatnikov G.Yu., Lubyako L.V., Morozkin M.V., Movschevich
B.Z., Tsvetkov A.I., “High precision frequency stabilization of a 263 GHz continuous wave gyrotron,” EPJ Web
Conf., vol. 149 (2017) 04022. DOI:10.1051/epjconf/201714904022.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04022.pdf
Bogdashov A.A., Denisov G.G., Fokin A.P., Glyavin M.Yu., Novozhilova Yu.V., Sedov A.S., Tsvetkov A.I.,“Influence of weak reflection from a nonresonant load on the operation frequency of the 28 GHz technologicalgyrotron,” EPJ Web Conf., vol. 149 (2017) 04037. DOI:10.1051/epjconf/201714904037.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04037.pdf
Denisov G.G., “New trends in gyrotron development,” EPJ Web Conf., vol. 149 (2017) 01001. DOI:10.1051/epjconf/201714901001.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_01001.pdf
Tarvainen O., Kalvas T., Koivisto H., Skalyga V., Izotov I., Mansfeld D., “Electron cyclotron resonance ion
sources – physics, technology and future challenges.” EPJ Web Conf., vol. 149 (2017) 01003. DOI:10.1051/epjconf/201714901003.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_01003.pdf
Glyavin M.Yu., “Development and applications of THz gyrotrons,” EPJ Web Conf., vol. 149 (2017) 01008.
DOI:10.1051/epjconf/201714901008.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_01008.pdf
Kasparek W., Erckmann V., Laqua H.P., Stange T., Weißgerber M., Lechte C., Plaum B., Moseev D., Leipold
F., Petelin M., Brunner K.J., Braune H., Marsen S., Schneider N., Wolf R.C., and W7-X team“Optics for electron
cyclotron resonance heating and collective Thomson scattering at the stellarator W7-X,”, EPJ Web Conf., vol.
149 (2017) 01013. DOI:10.1051/epjconf/201714901013.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_01013.pdf
Ginzburg N.S., Zotova I.V., “Generation of single and periodically repeated powerful ultrashort microwave
pulses,” EPJ Web Conf., vol. 149 (2017) 01015. DOI: 10.1051/epjconf/201714901015.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_01015.pdf
Shaposhnikov R.A., Golubev S.V., Izotov I.V., Razin S.V., Skalyga V.A. “ECR discharge in a single solenoid
field,” EPJ Web Conf., vol. 149 (2017) 02006. DOI: 10.1051/epjconf/201714902006.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02006.pdf
Mahmoud M., Link G., Jelonnek J., Thumm M., “Investigation on mm-wave sintering of metal powder compacts
using in-situ dilatometry and electrical resistivity measurements,” EPJ Web Conf., 149 (2017) 02007. DOI:
10.1051/epjconf/201714902007.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02007.pdf
Vodopyanov A.V., “Sources of ultraviolet light based on microwave discharges,” EPJ Web Conf., vol. 149 (2017)
02009. DOI: 10.1051/epjconf/201714902009.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02009.pdf
Oda Y., Imai T., Shimamura K., Fukunari M., Katsurayama H., Ohnishi N., Komurasaki K., “A study of RFpower station for microwave rocket launch system,” EPJ Web Conf., vol. 149 (2017) 02010. DOI:
10.1051/epjconf/201714902010.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02010.pdf
Bubnov G.M., Lesnov I.V., Vdovin V.F., “Data rates of SubTHz wireless telecommunication channels,” EPJ
Web Conf., vol. 149 (2017) 02012. DOI: 10.1051/epjconf/201714902012.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02012.pdf
Vodopyanov A.V., Samokhin A.V., Alexeev N.V., Sinayskiy M.A., Tsvetkov A.I., Mansfeld D.A., Glyavin
M.Yu., Fokin A.P., Malygin V.I., “High rate production of nanopowders by the evaporation – condensation
method using gyrotron radiation,” EPJ Web Conf., vol. 149 (2017) 02022. DOI:10.1051/epjconf/201714902022.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02022.pdf
Zapevalov V.E., “High-power microwaves against locusts and other harmful animals,” EPJ Web Conf., vol. 149(2017) 02030. DOI: 10.1051/epjconf/201714902030.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02030.pdf
Sidorov A.V., Razin S.V., Luchinin A.G., Tsvetkov A.I., Fokin A.P, Sidorov D.S, Veselov A.P., Vodopyanov
A.V., Glyavin M.Yu., “Gas breakdown by a focused beam of THz waves,” EPJ Web Conf., vol. 149 (2017)02031. DOI: 10.1051/epjconf/201714902031.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02031.pdf
Razin S.V., Sidorov A.V., Luchinin A.G., Sidorov D.S., Golubev S.V., Glyavin M.Yu., Vodopyanov A.V.,“Light emission properties of a discharge induced in a gas flow by terahertz waves in the vacuum and extreme
ultraviolet range,” EPJ Web Conf., vol. 149 (2017) 02032. DOI:10.1051/epjconf/201714902032.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02032.pdf
Semenov V.E., Rakova E.I., Glyavin M.Yu., Nusinovich G.S., “A possibility of remote detection of air
breakdown in a focal spot of microwave beam using reflected signal,” EPJ Web Conf., vol. 149 (2017) 02033.
DOI: 10.1051/epjconf/201714902033.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02033.pdf
Semenov V.E., Rakova E.I., Glyavin M.Yu. Nusinovich, G.S., “Theory of initial stage of the breakdown in nonuniform gas flow,” EPJ Web Conf., vol. 149 (2017) 02034. DOI:10.1051/epjconf/201714902034.
https://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_02034.pdf
S.V. Samsonov, G.G. Denisov, I.G. Gachev, A.A. Bogdashov, S.V. Mishakin, V.N. Manuilov, V.I. Belousov,
D.I. Sobolev, E.V. Sokolov, E.A. Soluyanova, E.M. Tai, “Development of gyrotron traveling-wave tubes at IAP
and GYCOM,” EPJ Web Conf., vol. 149 (2017) 04002. DOI: 10.1051/epjconf/201714904002.
http://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04002.pdf
V.E. Zapevalov, “Non-canonical gyrotrons,” EPJ Web Conf., vol. 149 (2017) 04003. DOI:10.1051/
epjconf/201714904003.
http://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04003.pdf
V.N. Manuilov, G.G. Sominskii, M.Yu. Glyavin, “Development of advanced electron optical systems for novel
gyrotrons,” EPJ Web Conf., vol. 149 (2017) 04004. DOI: 10.1051/epjconf/201714904004.
http://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04004.pdf
C.Wu., I.Gr. Pagonakis, S. Illy, G. Gantenbein, M. Thumm, J. Jelonnek, “Comparison between controlled nonadiabatic and E×B concepts for gyrotron multistage depressed collectors,” EPJ Web Conf., vol. 149 (2017) 04005.
DOI:10.1051/epjconf/201714904005.
http://www.epj-conferences.org/articles/epjconf/pdf/2017/18/epjconf_smp2017_04005.pdf

I.V. Zotova, N.S. Ginzburg, M.V. Morozkin, R.M. Rozental, A.S. Sergeev, A.E. Fedotov, V.P. Tarakanov,“Generation of rogue waves in gyrotrons with high excess over the threshold,” EPJ Web Conf., vol. 149 (2017)
04006. DOI:10.1051/epjconf/201714904006.
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J. Jelonnek, G. Aiello, S. Alberti, K. Avramidis, A. Bertinetti, A. Bruschi, J. Chelis, T. Franke, G. Gantenbein,
S. Garavaglia, et al., “European research activities towards a future DEMO gyrotron,” EPJ Web Conf., vol. 149(2017) 04007. DOI:10.1051/epjconf/201714904007.
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A.K. Kaminsky, I.V. Bandurkin, D.E. Donets, S.V. Kuzikov, N.Yu. Peskov, A.V. Savilov, S.N. Sedykh and A.A.
Vikharev, “Development of powerful Ka-band FEM-amplifiers with broad frequency tuning,” EPJ Web Conf.,
vol. 149 (2017) 04011. DOI:10.1051/epjconf/201714904011.
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N.Yu. Peskov, N.S. Ginzburg, A.K. Kaminsky, S.N. Sedykh, V.Yu. Zaslavsky, “Powerful narrow-band
relativistic masers with Bragg resonators operating from mm to sub-mm wavelength band: resent results andprospects,” EPJ Web Conf., vol. 149 (2017) 04012. DOI:10.1051/epjconf/201714904012
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A.M. Malkin, N.S. Ginzburg, S.E. Fil’chenkov, A.S. Sergeev, V.Yu. Zaslavsky, “Surface-wave Bragg resonators
for terahertz frequency range,” EPJ Web Conf., vol. 149 (2017) 04013. DOI:10.1051/epjconf/201714904013.
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M. Thumm, A. Sawant, M.S. Choe, E.M. Choi, “The gyrotron – a natural source of high-power orbital angularmomentum
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S. Ruess, G. Gantenbein, A. Heinzel, S. Illy, I. Gr. Pagonakis, T. Rzesnicki, M. Thumm, J. Weggen, A.
Weisenburger, J. Jelonnek, “Design and manufacturing process for the KIT 2-MW 170-GHz coaxial-cavity
longer-pulse gyrotron,” EPJ Web Conf., vol. 149 (2017) 04015. DOI:10.1051/epjconf/201714904015.
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A. Marek, K.A. Avramidis, S.M. Copplestone, N.S. Ginzburg, S. Illy, J. Jelonnek, J. Jin, S.V. Mishakin, A.-S.
Müller, P. Ortwein, M. Thumm, “Simulation of electromagnetic fields scattered from arbitrary shaped electric
conductors,” EPJ Web Conf., vol. 149 (2017) 04016. DOI:10.1051/epjconf/201714904016.
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D.I. Sobolev, G.G. Denisov, A.G. Eremeev, V.V. Holoptsev, I. Tsvetkov, “Polarization-dependent TE11-toTE11/TE01 waveguide mode converter for transmission line mode switching,” EPJ Web Conf., vol. 149 (2017)04017. DOI:10.1051/epjconf/201714904017.
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S.M. Copplestone, P. Ortwein, C.-D. Munz, K.A. Avramidis, J. Jelonnek, “Simulation of gyrotrons using thehigh-order particle-in-cell code PICLas,” EPJ Web Conf., vol. 149 (2017) 04019. DOI:10.1051/epjconf/
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P. Ortwein, S.M. Copplestone, C.-D. Munz, A. Marek, J. Jelonnek, “Benchmarking a high-order particle-in-cellcode for the simulation of a gyrotron traveling-wave tube,” EPJ Web Conf., vol. 149 (2017) 04020. DOI:
10.1051/epjconf/201714904020.
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Yu.V. Novozhilova, V.L. Bakunin, A.V. Chirkov, Yu.M. Guznov, G.G. Denisov, A.P. Fokin, A.S. Shevchenko,
N.I. Zaitsev, S.A. Zapevalov, “Influence of mode competition and external wave frequency modulation on
gyrotron frequency locking,” EPJ Web Conf., vol. 149 (2017) 04021. DOI:10.1051/epjconf/201714904021.
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G.G. Denisov, A.P. Fokin, M.Yu. Glyavin, G.Yu. Golubiatnikov, L.V. Lubyako, M.V. Morozkin, B.Z.
Movschevich, A.I. Tsvetkov “High precision frequency stabilization of a 263 GHz continuous wave gyrotron,”
04022. DOI:10.1051/epjconf/201714904022.
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V.Yu. Zaslavsky, N.S. Ginzburg, “Simulations of powerful microwave oscillators with oversized
electrodynamics systems,” EPJ Web Conf., vol. 149 (2017) 04025. DOI:10.1051/epjconf/201714904025.
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Alexander N. Leontyev, E.B. Abubakirov, A.V. Chirkov, G.G. Denisov, Yu.M. Guznov, S.Yu. Kornishin, O.P.
Plankin, R.M. Rozental, A.S. Sedov, E.S. Semenov, N.A. Zavolsky, S.A. Zapevalov and V.E. Zapevalov, “Wband 5 MW pulse relativistic gyrotron: development and experimental implementation,” EPJ Web Conf., vol.
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M.L. Kulygin, G.G. Denisov, S.H. Salahetdinov, S.V. Shubin, E.A. Novikov, I.A. Litovsky, “260 GHz CW
gyrotron heating substitution with second-long laser pulses in waveguide semiconductor switches,” EPJ Web
Conf., vol. 149 (2017) 04030. DOI:10.1051/epjconf/201714904030.
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N.S. Ginzburg, E.V. Ilyakov, I.S. Kulagin, N.Yu. Peskov, A.S. Sergeev, V.Yu. Zaslavsky “Theoretical andexperimental investigations of oversized Ka-band surface-wave oscillator based on 2D periodical corrugatedstructure,” EPJ Web Conf., vol. 149 (2017) 04031. DOI:10.1051/epjconf/201714904031.
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A.I. Tsvetkov, A.G. Eremeev, V.V. Kholoptsev, M.Yu. Shmelev, I.V. Plotnikov, Yu.V. Bykov, E.A. Kopelovich,
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power control for ECR ion source,” EPJ Web Conf., vol. 149 (2017) 04032. DOI:10.1051/epjconf/201714904032.
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S. Filchenkov, I. Gachev, M. Goikhman, Yu. Guznov, D. Lukovnikov, A. Tsvetkov, “A quasi-optical input for awhispering-gallery-mode gyro-twystron,” EPJ Web Conf., vol. 149 (2017) 04033. DOI:10.1051/epjconf/
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M.D. Proyavin, M.Yu. Glyavin, V.N. Manuilov, “Development of high-efficient gyrotron based complex forindustrial applications,” EPJ Web Conf., vol. 149 (2017) 04034. DOI:10.1051/epjconf/201714904034.
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K.A. Leshcheva, A.L. Goldenberg, M.Y. Glyavin, V.N. Manuilov, “Non-adiabatic electron-optical system for
170GHz/1MW/CW gyrotron,” 04035. DOI:10.1051/epjconf/201714904035.
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V.N. Manuilov, G.G. Sominskii, E.P. Taradaev, T.A. Tumareva, M.Yu. Glyavin, “Development of field emitter
non-adiabatic electron optic system for the spectroscopic 263 GHz/CW gyrotron,” EPJ Web Conf., vol. 149(2017) 04036. DOI:10.1051/epjconf/201714904036.
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A.A. Bogdashov, G.G. Denisov, A.P. Fokin, M.Yu. Glyavin, Yu.V. Novozhilova, A.S. Sedov, A.I. Tsvetkov,

“Influence of weak reflection from a nonresonant load on the operation frequency of the 28 GHz technologicalgyrotron,” EPJ Web Conf., vol. 149 (2017) 04037. DOI:10.1051/epjconf/201714904037.
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V.L. Bratman, A.E. Fedotov, P.B. Makhalov, V.N. Manuilov, “Non-relativistic hollow electron beam formation
for mm-wave BWO,” EPJ Web Conf., vol. 149 (2017) 04038. DOI:10.1051/epjconf/201714904038.
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V.L. Bratman, A.E. Fedotov, Yu. K. Kalynov, V.N. Manuilov, I.V. Osharin, “Progress in the development of
low-voltage gyrotron for integration with NMR spectrometer,” EPJ Web Conf., vol. 149 (2017) 04039.
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Sergey V. Mishakin, Sergey V. Samsonov, “Thermal analysis of gyro-amplifiers with helically corrugatedwaveguides,” 04040. DOI:10.1051/epjconf/201714904040.
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M.N. Vilkov, N.S. Ginzburg, G.G. Denisov, I.V. Zotova, A.S. Sergeev, A.M. Malkin, S.V. Samsonov, S.V.
Mishakin, “Ultrashort pulse generation based on two coupled helical gyro-TWTs,” EPJ Web Conf., vol. 149(2017) 04041. DOI:10.1051/epjconf/201714904041.
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A.M. Malkin, N.S. Ginzburg, I.V. Zheleznov, A.S. Sergeev, “Amplification of short-wavelength radiation byrelativistic electron beams moving near the impedance surfaces,” EPJ Web Conf., vol. 149 (2017) 04042.
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M.V. Morozkin, M.Yu. Glyavin, V.N. Manuilov, I.V. Zotova, M.D. Proyavin, “Collector system of a gyrotron
with magnetically shielded solenoid,” EPJ Web Conf., vol. 149 (2017) 04043. DOI:10.1051/epjconf/
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I.V. Zotova, N.S. Ginzburg, A.S. Sergeev, A.E. Fedotov, V.Yu. Zaslavsky, “Modulation of microwave radiationin the process of resonant interaction with a counter-propagating rectilinear electron beam,” EPJ Web Conf., vol.
149 (2017) 04044. DOI: 10.1051/epjconf/201714904044.
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V.L. Bratman, N. Balal, I.V. Bandurkin, A. Friedman, Yu. Lurie, A.V. Savilov, “Coherent spontaneous THz
undulator radiation from dense electron bunches formed in laser-driven photo-injectors,” EPJ Web Conf., vol.
149 (2017) 05002. DOI:10.1051/epjconf/201714905002.
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Andrei Savilov, I.V. Bandurkin, Yu.S. Oparina, “Super-radiative self-compression of photo-injector electron
bunches and the use of this effect for realization of a THz source based on spontaneous coherent emission froma short dense electron bunch,” EPJ Web Conf., vol. 149 (2017) 05008. DOI:10.1051/epjconf/201714905008.
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Yu.A. Sergeev, I.V. Oladyshkin, S.B. Bodrov, A.I. Korytin, M.D. Tokman, S.V. Kuzikov, A.A. Vikharev, A.N.
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I.V. Osharin, I.V. Bandurkin, Yu.K. Kalynov, S.V. Kuzikov, A.V. Savilov, “Terahertz gyrotrons with quasiregular cavities,” EPJ Web Conf., vol. 149 (2017) 05018. DOI:10.1051/epjconf/201714905018.

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Yu.S. Oparina, A.V., Savilov “Spontaneous coherent cyclotron THz super-radiation from a short dense photoinjector electron bunch,” EPJ Web Conf., vol. 149 (2017) 05019. DOI:10.1051/epjconf/201714905019.
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NEW BOOKS
Pereira M.F., Shulika O. (Eds.), THz for CBRN and Explosives Detection and Diagnosis, (Springer, 2017). DOI:
10.1007/978-94-024-1093-8. ISBN 978-94-024-1092-1.
Xingcun Colin Tong, Functional Metamaterials and Metadevices, (Springer International Publishing, 2018) Print
ISBN: 978-3-319-66043-1, Electronic ISBN: 978-3-319-66044-8. DOI: 10.1007/978-3-319-66044-8.
Saroj Rout, Sameer Sonkusale, Active Metamaterials, (Springer International Publishing, 2017) Print ISBN 9783-319-52218-0, Electronic ISBN 978-3-319-52219-7. DOI:10.1007/978-3-319-52219-7.
Shiv Narayan, K. M. Divya, V. Krushna Kanth, FDTD Modeling of EM Field Inside Microwave Cavities,(Springer Singapore, 2017). Print ISBN 978-981-10-3414-5. Electronic ISBN 978-981-10-3415-2.

DOI:10.1007/978-981-10-3415-2.
Safa Kasap, Peter Capper (Eds.), Springer Handbook of Electronic and Photonic Materials (Springer
International Publishing AG, 2017). Print ISBN 978-3-319-48931-5. Online ISBN 978-3-319-48933-9 DOI:
10.1007/978-3-319-48933-9.
Marko S. Markov, Electromagnetic Fields in Biology and Medicine, (CRC Press, 2017). ISBN 9781138749030.
Darrell W. Pepper, Juan C. Heinrich, The Finite Element Method: Basic Concepts and Applications with
MATLAB, MAPLE, and COMSOL, Third Edition (CRC Press, 2017) 610 pages. ISBN 9781498738606.
Akira Ishimaru, Electromagnetic Wave Propagation, Radiation, and Scattering: From Fundamentals to
Applications, 2nd Edition (October 2017, Wiley-IEEE Press) 968 pages. ISBN: 978-1-118-09881-3.
Branislav M. Notaroš, Conceptual Electromagnetics (July 15, 2017 CRC Press) 550 pages. ISBN
9781498770668.

NEWS FROM THE NET (OUR BROADER HORIZONTS)
Detecting Hazardous Radiation From Afar Now Possible
The concept of using THz radiation for detection of concealed sources of ionizing radiation has been proposed
first in the paper by V.L. Granatstein and G.S. Nusinovich. It has been followed by a series of publications (seefor example, G.S. Nusinovich, et al.) on the development of THz-range gyrotrons for the realization of thisapproach. Recently, researchers at Ulsan National Institute of Science and Technology (UNIST) in Ulsan, South
Korea, have successfully demonstrated experimentally a real-time remote detection of substances that emit
hazardous radiation. The researchers used a 95 GHz gyrotron with an output power of 32 kW. Their results were
published in [K. Dongsung, et al., “Remote detection of radioactive material using high-power pulsed
electromagnetic radiation,” Nature Communications, vol. 8 (2017) 15394. DOI:10.1038/ncomms15394.]
For an interview with the leader of the team, Professor EunMi Choi given to IEEE Spectrum follow this link.
Liquid water can generate THz waves!
“By illuminating a thin film of water with ultrashort laser pulses, physicists have demonstrated that liquidwater can generate terahertz (THz) waves, which are currently being researched for applications such as wirelessdata transmission, industrial quality control, and high-resolution imaging with the capability for penetration. The
researchers, led by Xi-Cheng Zhang, the M. Parker Givens Professor at the University of Rochester's Institute of
Optics in New York, as well as at Capital Normal University in Beijing and ITMO University in Saint Petersburg,
Russia, have published a paper on the generation of THz waves from water in a recent issue of Applied Physics
Letters.
The result is surprising because bulk water is a strong absorber of light in the THz frequency range, and so fora long time it seemed very unlikely that liquid water could serve as a source of THz radiation. Researchers havepreviously shown, however, that water can emit light at other frequencies, including white light, and that water
vapor can emit THz waves. The key to getting liquid water to generate THz waves, as the scientists show in the
new study, is to use a very thin (less than 200 μm-thick) free-flowing film of water.” Please visit the source of
this information at: https://phys.org/news/2017-08-thought-impossible-scientists-liquid-thz.html and access theoriginal paper [Qi Jin et al. "Observation of broadband terahertz wave generation from liquid water." Applied
Physics Letters, vol. 111, n. 7(2017) 071103. DOI: 10.1063/1.4990824] from this link.
Setting Up a THz-TDS Setup in Half a Day
A white paper of TeTecHs gives helpful tips and tricks for setting up a THz-TDS system in half a day. Itshows that with kits currently in research labs around the globe, an efficient THz-TDS setup can be achieved

quickly. Follow this link in order to obtain this useful white paper. TeTecHs provides also a Measurement Kit
for Research and Development at its website.

Experimental demonstration of a 5th harmonic mm-wave frequency multiplying vacuum tube could
lead to development of a novel terahertz radiation source
In their recent paper, scientists from SLAC reported: “the experimental demonstration of a 5th harmonic
mm-wave frequency multiplying vacuum electronic device, which uses an over-moded spherical sector output
cavity. In this device, a pencil electron beam is helically deflected in a transverse deflecting cavity before entering
the output cavity. No magnetic field is required to focus or guide the beam. We built and tested a proof ofprinciple device with an output frequency of 57.12 GHz. The measured peak power was 52.67 W at the 5th
harmonic of the drive frequency. Power at the 4th, 6th, and 7th harmonics was 33.28 dB lower than that at the
5th harmonic.”
For more comments on this invention visit the SLAC’s webpage at:https://www6.slac.stanford.edu/news/2017-10-04-slac-invention-could-lead-novel-terahertz-light-sourceshelp-us-see-world-different and the NewsWise site.
Links to useful internet websites (blogs, newsletters, etc.) containing news and resources about THz
science and technology
DNP-NMR Literature Blog:
http://blog.bridge12.com/
Blogs about Terahertz Technology:
https://terahertztechnology.blogspot.com/
https://plus.google.com/+RandyKnudson
https://plus.google.com/105902248514555979271
http://blog.tmcnet.com/terahertz/
Resources about RF and Wireless devices:
http://www.rfwireless-world.com/
Terahertz Spectroscopy and Imaging:
http://terahertzspectroscopyandimaging.blogspot.com
AMPERE Newsletter on microwave technology:
http://www.ampereeurope.org/index-3.html
News about THz devices and techniques:
http://www.terahertz.co.uk/news
Study on Electromagnetic Waves in the Terahertz Region Using COMSOL Multiphysics:
https://www.comsol.ch/paper/study-on-electromagnetic-waves-in-the-terahertz-region-using-comsolmultiphysics-14666?setlang=1
and the presentation of T. Nishida (In Japanese) available at this link.
2017 Terahertz Science and Technology Roadmap is available at this link and here.