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Program

The 8th International Workshop on Far-Infrared Technologies (IW-FIRT 2021)
Date: 8 - 9 March, 2021. Venue: Online (Zoom) workshop hosted by FIR UF

8 Mar. (Mon)Start timeSession
14:00 Opening remarks

No. Time

Name (Affiliation)
Title
Trustee, Vice President for Research, Industry-Academia
Collaboration, and Social Cooperation, Univ. of Fukui:
Shinichiro Sue

14:05 Opening talk fromFIR UF
14:15 Interaction ofbiologicalmolecules, tissues
with THz waves

0:10 Chairman of IW-FIRT2021: Masahiko Tani (FIR UF)
8-1

0:15 Yoshinori Tatematsu (FIRUF)

Recent progress ondevelopment and applicationsof gyrotrons at FIR UF

14:30

8-2

0:30 Takayasu Kawasaki (TokyoUniv. of Science, Japan)

Use of Intense Terahertz
Waves for Regulation ofAmyloid Fibrillation

15:00

8-3a,b0:30 Masahiko Harata (Tohoku
Univ., Japan),
Shota Yamazaki (RIKEN,Japan)

Actin filament is one of thekey biomolecules affected byTHz wave

15:30 Break
15:45 Terahertz
spectroscopy

8-4

16:00

8-5

0:30 Takeshi Yasui (Tokushima
Univ., Japan)THz dual-comb spectroscopyusing a free-running singlecavity wavelength-multiplexedmode-locked fiber laser(Video)

16:30

8-6

0:15 Zhenyu Zhao (Shanghai
Normal Univ., China)

Manipulation on terahertz
slow light at spoof surface
plasmon-inducedtransparency windows

16:45

8-7

0:30 Inna Tupaeva (Southern
Federal Univ., Russia)
0:15
0:30 Alexei Kuleshov (O. Ya.
Usikov Institute forRadiophysics andElectronics of NAS ofUkraine, Ukraine)

Organic Crystals for Terahertz
Spectroscopy

0:30 John Jelonnek (Karlsruhe
Institute of Technology,Germany)

Ongoing Gyrotron Activities atKIT

17:15 Break
17:30 Development andapplication ofgyrotrons

8-8

0:150:15 Masahiko Tani (FIR UF)

18:00

8-9

18:30

8-10 0:30 Svilen Sabchevski (Instituteof Electronics of BAS,Bulgaria)

Chairperson

MitsudoTerahertz Spintronic Emission Escaño
from Metallic Hetero-Structureand Its Applications

Recent Advances in DoubleBeam Gyrotrons at HighFrequencies

Yamaguchi

Novel and Emerging
Applications of the Gyrotrons
Worldwide: Current Status
and Prospects

19:00 End☞Note
All invited talks are 30 minutes talks. Talks of contributed papers are 15 minutes talks. Pleaseleave the time for discussions (5 min).

9 Mar. (Tue)Start timeSession
10:00 Terahertz
spectroscopy andinteraction tobiologicalmolecules

No. TimeName (Affiliation)
9-1 0:30 Harumi Sato (Kobe Univ.,Japan)

Title
Intermolecular hydrogenbonding of polymer byterahertz and low-frequency
Raman spectroscopy

10:30

9-2

0:30 Yukihiro Ozaki (Kwansei
History, Developments, andGakuin Univ.; Guest prof. of Perspectives of FIR,
FIR UF, Japan)
Terahertz, and Low-frequency
Raman Spectroscopy

11:00

9-3

11:30

9-4

0:30 Keisuke Tominaga (KobeUniv., Japan)
0:30 Setsuko Komatsu (FukuiUniv. of Technology; Guest
prof. of FIR UF, Japan)

12:00 Lunch
14:00 Beyond 5G/6G,
material sciences

9-5

14:30
14:45

9-6
9-7

15:15 Break
15:30 Magnetic
resonance,
biologicalmolecules

9-8

2:00
0:30 Iwao Hosako (NICT, Japan)
0:15 Seitaro Mitsudo (FIR UF)
0:30 Hideyuki Takahashi (KobeUniv., Japan)

THz Molecular Science inCondensed Phases
Molecular-Biological Effectsof Millimeter-Waves Irradiation
on Crop-Plant Growth underFlooding Conditions
Expectations for Terahertz
Radio in Beyond 5G/6GFujii

TBA
Force-detected highfrequency electron spinresonance at 154 GHz using
high-power millimeter-wave
source gyrotron

0:15
0:30 Masaki Horitani (Saga Univ., Advanced High Field and THz FukunariJapan)
ESR Spectroscopic Studies
on Heme Proteins with Integer
Spin System

16:00

9-9

16:30

9-10 0:15 Masahiko Imashimizu (AIST, Effects of NonthermalJapan)
Excitation Mediated by
Terahertz Radiation on
Biomolecular Dynamics andReactions

0:30 Mitsuru Akaki (Kobe Univ.,Japan)

16:45 Break
0:15
17:00 Development and 9-11 0:30 Mikhail Glyavin (Institute ofapplication of highApplied Physics, RAS,
power/highRussia)
17:30 frequency radiation 9-12 0:30 Sergey Morozov (Institute ofsources
Applied Physics, RAS,Russia)

Pulsed high-field ESR in
multiferroic åkermanitematerials

Quest for future of gyrotrons:
IAP RAS status

Tatematsu

Investigation of FrequencyMultiplication and Microwave
Absorption in Semiconductors
for the Development of HighPower THz band Sources andNovel Application of THz
Waves

18:00

9-13 0:15 Alexander Tsvetkov (Institute Progress in the developmentof Applied Physics, RAS,of ultra-stable gyrotrons forRussia)
spectroscopy and plasma
applications

18:15

9-14 0:30 Irina Zotova (Institute ofApplied Physics, RAS,Russia)

18:45 Closing18:55 EndChairperson
FuruyaMode Interaction in THz Band
Harmonic Gyrotrons: Theoryand Experiments

0:10 Masahiko Tani (FIR UF)☞NoteAll invited talks are 30 minutes talks. Talks of contributed papers are 15 minutes talks. Pleaseleave the time for discussions (5 min).

The 8th International Workshop on Far-Infrared Technologies (IW-FIRT 2021)

Poster Presentations
Poster session: on Google drive, on-demand session
Note: Instructions on how to participate in the poster session will be announced separately.
No.
P-1
 P-2
P-3
P-4
P-5
P-6
P-7

Name of the presenterTitle
Jessica Afalla (Univ. of Tsukuba,
Heteroepitaxial growth of LT-GaAs on Silicon: effects on optical properties
Japan)
Dmitry S. Bulgarevich (NIMS, Japan; Development of Terahertz Magneto-Optic Imaging for Metal Nondestructive
Guest prof. of FIR UF)
Testing
Direct Identification and Probing of the Origin of Two-Step Photon Absorption inMary Clare Escaño (FIR UF)
LT-GaAs by First-Principles Calculations and STM/STS Measurements
Andrey Fokin (Inst. of Appl. Phys.,
Possibility to reduce the influence of the uniform section taper on the diffraction
RAS, Russia)
quality factor of the gyrotron cavity
Development of a Millimeter-Wave ESR/NMR Double-Magnetic-Resonance
Yutaka Fujii (FIR UF)
Measurement System on 3He- 4He Dilution Refrigerator and Its Use for
Measurements of Shallow P-Doped Si
Akira Fukuda (Hyogo Coll. ofMedicine, Japan)
Naum Ginzburg (Inst. of Appl. Phys.,RAS, Russia)

P-8

Kanata Hayashi (FIR UF)

P-9

Yuya Ishikawa (FIR UF)

P-10 Shingo Ito (FIR UF)
Keisuke Iwabuchi (Kanazawa Univ.,Japan)
Jarno Järvinen (Univ. of Turku,P-12Finland)
Vladimir Manuilov (Inst. of Appl.
P-13 Phys., RAS, Russia; Nizhny
Novgorod State Univ, Russia)
P-11

Maho Matsukura (Univ. of Tsukuba,Japan)
Maria M. Melnikova (Inst. of Radio
P-15
Eng. & Electronics, RAS, Russia)
P-14

P-16 Kazuki Nakagawa (FIR UF)
P-17 Tomoki Oida (FIR UF)
P-18 Ryotaro Okamoto (FIR UF)

Development of mmwave resistively-detected electron spin resonance system of
two-dimensional electron gas in InSb quantum-well structure
Progress in Development of High-Frequency Planar Gyrotrons with Sheet
Electron Beams and Transverse Energy Extraction
Angular rotation ESR in the X-band measurements of S=1/2 quasi twodimensional antiferromagnet henmilite
Development of a cylindrical resonator for millimeter-wave band ESR/NMR double
magnetic resonanceAnalysis of the dependence of the oscillation signal intensity on the distance
between the gyrotron axis and the magnetic axis in Gyrotron FU CW GVII
Radiation from K-band Backward-Wave Oscillator with Staggered Double-Grating
Slow Wave Structure
Pulsed electron spin resonance spectrometer operating at 130 GHz withapplication to As doped silicon below 1 K temperatures
Development of continuous wave sub-THz Gyrotron with Field Emitter forSpectroscopy Application
Rectifying Efficiency Estimation of MW-DC Cyclotron Wave Converter
Studying of injection locking of the second-harmonic THz-band gyrotron by an
external driving signal
Observation of Fundamental Harmonic Oscillation in a Second Harmonic MultiFrequency Gyrotron with Gaussian Beam Output
Optimization and Development of Flat NMR Coil for Millimeter-Wave Double
Magnetic Resonance Measurements
Visible Light Emission from Porous Carbon Fibers under High-Power MillimeterWave Beam Irradiation
Development of Miniaturized Sub-THz Traveling-Wave Tubes with Multiple SheetElectron Beams

Nikita M. Ryskin (Kotelnikov IRERAS, Russia)
Vitalii I. Shcherbinin (National Science
P-20 Center "Kharkiv Institute of Physics
Advanced coaxial cavities for sub-terahertz second-harmonic gyrotronsand Technology", Ukraine)
P-19

P-21

Alexander Shugurov (Univ. of Nizhny Avoiding the effect of intrinsic birefringence in noncollinear electro-optic detectionof terahertz waves in a prism-coupled LiNbO 3 layer
Novgorod, Russia)

P-22 Miezel L. Talara (FIR UF)

Diabolo-shaped Fe/Pt Spintronic Antennas with Different Pt Thicknesses for
Efficient THz Wave Generation

Tetiana I. Tkachova (NationalP-23 Science Center "Kharkiv Institute ofPhysics and Technology", Ukraine)

Mode-Converting Corrugations for Mode Selection in Cavities of SecondHarmonic Gyrotrons

P-24 Masato Watanabe (FIR UF)

Design of a Three-Stage-Cavity for Super Multi-Frequency Oscillations in a 100 200 GHz Gyrotron