Source: https://www.ceeri.res.in/departments/microwave-devices/vacuum-microelectronic-devices/publications/
Timestamp: 2019-04-21 02:07:52+00:00

Document:
Ashok Nehra, RK Sharma, Dheeraj Kumar and Y Choyal, “Effect of Thickness and Radial Position of Aperture in a Pole Piece in Focusing of Multi Beam Electron Gun”, IEEE Transactions on Plasma Science, Vol. 40, No. 6, June 2012, pp 1672-1677.
A Mercy Latha, V Gahlaut, J Kaur, D Bharti, V Srivastava, RK Sharmaand SK Ghosh, “A Novel Geometry Multi-stage Depressed Collector for the Efficiency Enhancement of Space Travelling Wave Tubes”, Journal of Infrared, Millimeter and Terahertz Waves, Volume 34 No. 1 January 2013, pp 53-61.
Gahlaut, R. K. Sharma, V. Srivastava, P. A. Alvi and S. K. Ghosh, “Effect of ceramic material on heat dissipation from multi-stage depressed collector used in high efficiency traveling-wave tubes”, Indian Journal of Pure and Applied Physics, vol. 51, No. 9, pp. 657 – 660, Sept. 2013.
A Mercy Latha, V Gahlaut, RK Sharma,V Srivastava, and SK Ghosh, “Multi-stage Depressed Collector With Improved Thermal Management for High Efficiency Travelling Wave Tubes”, IEEE-ED, Volume 61 No. 5, May 2014, pp 1536-1540.
A Bera, AR Choudhury, RK Sharma, V Srivastava, “High power THz Vacuum Electronic Sources: Challenges and Scope, IJECT vol.5, Jan-March 2014, ISSN:2230-7109(online), ISSN:2230-9543.
Ashok Kumar Nehra, RK Sharmaand Y Choyal, “A comparative study of PPM and solenoid focusing in multi-beam electron gun”, Journal of Physics: conference series 534(2014)012067.
RK Sharma, A. Grede, S Choudhury, V Srivastava and H Henke, “Design of folded waveguide slow wave structure for W-Band TWT”, IEEE Trans. On Plasma Science, Volume 42 No. 10, October 2014, pp 3430-3436.
A Roy Choudhury, Raktim Guha, S Arya, Pradeep Kumar, A Mercy Latta, SK Ghosh, V Srivastava and RK Sharma, “Design of Electron Gun and Focusing System for W-Band Folded Waveguide TWT,” International Journal of Electronics & Communication Technology (IJECT) -Vol 6.1, Spl-1 Jan-Mar 2015.
Suneeta Arya, A Mercy Latha, SK Ghosh, Vishnu Srivastava, AK Paul, Monica Singla, Ramanand and RK Sharma, “Carbon Film Deposited Collector Electrode for High Efficiency TWTs”, Indian Journal of Pure & Applied Physics Vol. 54, February 2016, pp.111-115.
Avanish Kumar, SK Pradhan, K Jayasankar, M Debata, RK Sharma and A. Mandal, “Structural Investigations of nanocrystalline Cu-Cr-Mo Alloy Prepared by High Energy Ball Milling”, Journal of Electronic Material: Vol. 46, Nov. 2016, pp 1339-1347.
K. Barik, S. K. Shukla, M. S. Bisht, A. K. Singh, and R. S. Raju , “Dispenser Cathodes for Terahertz Vacuum Devices Application”, IJECT Vol. 5, Issue Spl – 2, Jan – March 2014.
K. Singh, M. Ravi, M. S. Bisht, R. K. Barik, S. K. Shukla, R. Prajesh, T. P.Singh, S. K. Saini, and R. S. Raju, “Study and Development of Active Sintered Controlled Porosity Dispenser Cathode ”, IEEE Trans. ED, vol. 62, no.. 11, 3837, 2015.
K. Barik, A. K. Singh, S. K. Sukhla, T. P. Singh, R. S. Raju, and Gun-Sik Park, “Development of Nanoparticle-Based High Current Density Cathode for THz Devices Application”, IEEE Trans. ED.vol. 63, no. 4, 1715, 2016.
K. Singh, S. K. Shukla, M. S. Bisht, S. E. Rahaman, J. Kalidoss, M. Debata & R. K. Barik, “Synthesis and characterization of nano-brazing alloy for thermionic dispenser cathode application”, Journal of Electromagnetic Waves and Applications, 2017. DOI:10.1080/09205071.2017.1357505.
N. Pal, P. Gulati, N. Kumar, M. Kumar, M. S. Tyagi, B. L. Meena, A. K. Sharma and R. Prakash, “Analysis of Discharge Parameters in Xenon Filled Coaxial DBD Tube,” IEEE Trans. Plasma Sci .vol. 39. no.6, pp. 1475-1481, 2011.
N. Pal, Pooja Gulati, Niraj Kumar, Ram Prakash and V. Srivastava “Multi-switch Equivalent Electrical Model to Characterize Coaxial DBD Tube” IEEE Trans. Plasma Sci., Vol. 40, NO. 5, May (2012), p. 1356-1261.
N. Pal, N. Kumar, D.K. Verma, J. Prajapati, M. Kumar, V. Srivastava, H.K. Dwivedi and Ram Parkash “Development of Low Pressure High Current Plasma Cathode Electron Gun and Use of Associated Techniques”J. Theo. & Appl. phys. 6:36 (2012) 1-4.
Ram Prakash, Gheesalal Vyas, Jalaj Jain, JitendraPrajapati, Udit Narayan Pal, Malay BikasChowdhuri and RanjanaManchanda “Development of Large Volume Double Ring Penning Plasma Discharge Source for Efficient Light Emissions” Sci. Instrum, Vol. 83, 4 December (2012) 123502(1-7).
Ravindra Kumar, Ram Prakash,J. Alphonsa, Jalaj Jain, A. Pareek, P. A. Rayjada, P.M. Raole, and S. Mukherjee “Impact of forging conditions on plasma nitrided hot-forging dies and punches” Mat. Sci. Res. Vol. 1, No. 4, August (2012) 11-18.
N. Pal, P. Gulati, N. Kumar, M. Kumar, V. Srivastava and Ram Prakash “Analysis of Discharge Parameters and Optimization Study of Coaxial DBDs for Efficient Excimer Light Sources” J. Theo. & Appl. phys. 6:41 (2012) 1-8.
N. Pal, Pooja Gulati, Ram Prakash, V. Srivastava and S. Konar “Analysis of power in argon filled pulsed dielectric barrier discharge (DBD)” Plasma Sci. & Tech. Vol. 15 No. 7, July (2013) 635-639.
Madhu Sharma, O P Rishi and Ram Prakash “An Interdependence Relation to Support Case-based Reasoning Solution for an Industrial Application” J. Compt. Appl. Vol. 61 Issue 11, Jan (2013) 1-3.
Madhu Sharma, O P Rishi and Ram Prakash “An Interdependence Relation to Support Case-based Reasoning Solution for an Industrial Application” J. Comp. Appl., Vol. 61, no. 11, Jan (2013) 1-3.
Gulati, Ram Prakash, U. N. Pal, M. Kumar, and V. Vyas “UV-B radiation enhancement in DBD based Xenon chloride exciplex source by air” Appl. Phys. Lett., 105, 7 July (2014), pp.013505.
Niraj Kumar, NaliniPareek, U. N. Pal, D. K. Verma, J. Prajapati, V. Srivastava and Ram Prakash “Performance Evaluation of Low Pressure High Current Plasma Cathode Electron Gun” Pramana J. Phys., Vol. 82, No. 6 June (2014) pp. 1075-1084.
N. Pal, J. Prajapati, N. Kumar and R. Prakash “Simulation and experimental studies of 20 kV/200 A PCE-Gun for discharge current analysis” Indian J. Phys., Volume 89, Issue 9, September (2015) pp 951-956.
Udit Narayan Pal, JitendraPrajapati, Niraj Kumar and Ram Prakash “Particle-in-cell simulation study of PCE-gun for different hollow cathode aperture sizes” Indian Journal of Pure & Appl. Phys., vol 53, pp. 225- 229, 2015.
N. Pal, J. Prajapati, N. Kumar and R. Prakash “Simulation and experimental studies of 20 kV/200 A PCE-Gun for discharge current analysis” Indian J. Phys., published online DOI 10.1007/s12648-015-0668-x, 2015 Online publication Feb 2015 (September 2015, Volume 89, Issue 9, pp 951-956).
Niraj Kumar, Udit Narayan Pal, Dharmendra Kumar Pal, Rahul Prajesh and Ram Prakash “Experimental investigation of a 1 kA/cm2 sheet beam plasma cathode electron gun” Sci. Instrum. Vol. 86, 013503, 29 January (2015) 5 pages.
G Divya Deepak, N.K Joshi, Udit Pal and Ram Prakash, “Electrical Characterization of Atmospheric Pressure DBD based Cold Plasma Jet using Ring Electrode Configuration” Accepted for publication, Laser and Particle Beams, Aug. 2016.
L. Vyas, Ram Prakash, Jalaj Jain, U. N. Pal, R. Manchanda and N. Halder “Penning plasma based simultaneous light emission source of visible and VUV lights” Accepted for publication in Plasma Phys. Reports, Volume 42, Issue 6, pp 601-609, June 2016.
Kumar, D. K. Pal, A. S. Jadon U. N. Pal, H. Rahaman and R. Prakash, “A Multiple Gap Plasma Cathode Electron (MG-PCE) Gun and its electron beam analysis in self and trigger breakdown modes” Rev. Sci. Instrum., 87, 033503 (2016).
Niraj Kumar, D K Verma, J Prajapati, M Kumar, B L Meena, M S Tyagi, V Srivastava and U N Pal “Experimental Investigation of Pseudospark generated electron beam” J. Phys.: Conf. Ser. 390 (2012) 012073 (1-5).
Pooja Gulati, U. N. Pal, Kumar, V. Srivastava, Ram Prakash and Vimal Vyas “Pulsed and RF glow discharge in helium atmosphere” J. Phys: Conf. Ser. 390 (2012) 012072 (1-6).
Deepak K. Verma, U. N. Pal, Kumar, J. Prajapati, M. Kumar, Ram Prakash and V. Srivastava “Investigation of electron beam parameters inside the drift region of plasma cathode electron gun” J. Phys.: Conf. Ser.365 (2012) 012048 (1-4).
Udit Narayan Pal, Jitendra Prajapati, Niraj Kumar and Ram Prakash “Particle-in-cell simulation study of PCE-gun for different hollow cathode aperture sizes” Indian Journal of Pure & Appl. Phys., vol 53, pp. 225- 229, 2015.
Avishek Bhowmik, Swati Sharma, Nitin G Shrivastav, Abhinash Kumar Singh, RK Sharma, V Srivastva, “Improved Non-Iterative Method for the estimation of Half Beam Cone angle leading to improved beam throw for convergent Pierce Electron Gun” National Conference on Materials, Devices and circuits in communication Technology (MDCCT-2012, Feb.,6-7, 2012.
Avishek Bhowmik, Swati Sharma, Nitin G Shrivastav, RK Sharma, V Srivastva, “Comparison of different Output Parameters for 10kV Electron Gun based on Simulated Results and two different Synthesis Process for Convergent Pierce Electron Gun”, National Conference on Materials, Devices and circuits in communication Technology (MDCCT-2012, Feb.,6-7, 2012.
Nitin Shrivastav, Seema Yadav, A. Mercy Latha, Dheeraj Kumar, SK Ghosh, V Srivastava and RK Sharma, “Multi Stage Depressed Collector with Reduced Size and Weight for Space”, 13th IEEE International Vacuum Electronics Conference – IVEC 2012 at Portola Plaza Hotel, Monterey Bay, CA, USA, April 24-26, 2012.
Ashok Kumar Nehra, Raj Kumar Gupta, Purna Chandra Panda,Sudhir Mohan Sharma, Yaduvendra Choyal, and Rajendra Kumar Sharma, “Electron Gun Design for Multi-Beam Pulsed Amplifier” 13th IEEE International Vacuum Electronics Conference – IVEC 2012 at Portola Plaza Hotel, Monterey Bay, CA, USA, April 24-26, 2012.
Abhishek Jain, Dheeraj Kumar, N Purshotaman, Rajendra Kumar Sharma, Vishnu Srivastava, Sanjay Kumar Ghosh, “Effect of Manufacturing Tolerances of Helix diameter on TWT Performances”, 13th IEEE International Vacuum Electronics Conference – IVEC 2012 at Portola Plaza Hotel, Monterey Bay, CA, USA, April 24-26, 2012.
Vishant Gahlaut, Parvez A. Alvi, Rajendra K. Sharma, Vishnu Srivastava and Sanjay Kumar Ghosh, “Heat Dissipation from Helical Periodic Structure in Vacuum”, 13th IEEE International Vacuum Electronics Conference – IVEC 2012 at Portola Plaza Hotel, Monterey Bay, CA, USA, April 24-26, 2012.
Suneeta Arya, Pawan Pareek, Vishant Gahlaut, SM Sharma, SK Ghosh, RK Sharma and V Srivastava, “Cold and Hot Stuffing Technologies for Helix TWTs”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sept 21-24, 2012, P. 238.
Pawan Pareek, Suneeta Arya , Vishant Gahlaut, Nitin Ji Srivastava, A Mercy Latha, SM Sharma, RK Sharma, V Srivastava and, SK Ghosh, “Development of PPM Focusing Structure for TWTs ”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sept 21-24, 2012, P. 242.
Jaspreet Kaur , Nitin Ji Srivastava, A Mercy Latha, Abhishek Jain, RK Sharma, V Srivastava and, SK Ghosh, “A High Efficiency Novel Multi Stage Depressed Collector”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sept 21-24, 2012, P.248.
A Mercy Latha, Jaspreet Kaur , RK Sharma, SK Ghosh and V Srivastava, “Selection of the Optimum Cooling Mechanism for the Reduced Size Collector of Space Travelling Wave Tube”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sep 21-24, 2012, P.59.
RK Padhi , AJ Banerjee, PK Maji, S Karmakar and RK Sharma, “Application of RF Heating Technique in Microwave Tube Fabrication”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sep 21-24, 2012, PP- 188.
AK Nehra, RK Gupta, RK Sharma, SM Sharma, S Arya, N Pareek, Y Choyal and LM Joshi, “Design and Development of Multi-Beam Electron Gun at CSIR-CEERI ”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sep 21-24, 2012, PP- 189.
SM Sharma, A Nehra, I Rathi, M Budania, S Arya, SK Ghosh, V Srivastava and RK Sharma, “Design and Development of Electron Gun For W-Band Folded Waveguide Travelling Wave Tube ”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sep 21-24, 2012, PP- 191.
Bijeev NV, Anju Malhotra, Vasant, Virendra Kumar, Surinder Singh DK Das (SAC -ISRO), SK Ghosh, V Srivastava and RK Sharma (CSIR-CEERI), “Space TWTAs: Enabling Technologies and Future Potential ”, National Conference on Vacuum Electronics Devices & Applications at CSIR-CEERI, Pilani on Sep 21-24, 2012, PP- 211.
Jaspreet Kaur, A Mercy Latha, Abhishek Jain, Dheeraj, RK Sharma, V Srivastava, and SK Ghosh, “Impact of variation in number of trajectories on the collector performance”, “8th International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS-2012), Jodhpur, 11-14 December Pp 232-233.
A Mercy Latha, Jaspreet Kaur, Dheeraj Bharati, Abhishek Jain, RK Sharma, Vishnu Srivastava and SK Ghosh, “Analysis of the Performance of Trochoidal Collector for Space Applications”, “8th International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS-2012), Jodhpur, 11-14 December Pp 208.
RK Sharma, “ Develoment of Vacuum Microelectronics THz Devices: A New Area for Engineering Students to Explore”, Invited Talk – 3rd National Conference on Engineering Education in the New Century, (E2NC–2013), 15-16, 2013, at Supreme Knowledge Foundation Group of Institutions, Mankundu, Hooghly (W.B.).
Ashok Nehra, RK Sharma, S Arya, SM Sharma and Y Choyal, “Comparison of PPM and Solenoid Focusing in Multi Beam Electron Gun”, 13th IEEE International Vacuum Electronics Conference – IVEC 2013 at Paris, May 21-23, 2013.
A Mercy Latha, V Srivastava, RK Sharma, SK Ghosh, “Asymmetric Cross Field Multi Stage Depressed Collector with Half Cylinder Electrodes for Space Applications”, 13th IEEE International Vacuum Electronics Conference – IVEC 2013 at Paris, May 21-23, 2013.
A Mercy Latha, Jaspreet Kaur, Vishant Gahlaut, V Srivastava, RK Sharma, SK Ghosh, “Compact and Light weight Multi stage Depressed Collector for Space Traveling wave Tubes”, 13th IEEE International Vacuum Electronics Conference – IVEC 2013 at Paris, May 21-23, 2013.
V Gahlaut, A Mercy Latha, PA Alvi, RK Sharma, V Srivastava, SK Ghosh, “Effects of Helix Support Geometry on Heat Dissipation from it in a Traveling Wave Tube”, 13th IEEE International Vacuum Electronics Conference – IVEC 2013 at Paris, May 21-23, 2013.
RK Sharma, S Arya, A Mercy Latha, P Pareek, SM Sharma, SK Ghosh, V Srivastava, “Development of Dual Anode Electron Gun and PPM Beam Focusing for Space Helix TWT”, 13th IEEE International Vacuum Electronics Conference – IVEC 2013 at Paris, May 21-23, 2013.
Ashok Nehra, RK Sharma and Y Choyal, “ Thermal analysis of multi beam collector”, Proceedings of International Conference on recent trends in Applied Physics and Material Science AIP Conf. Proc. 1536,1131-1132 (2013).
RK Sharma, “Design and development of folded waveguide TWT activities at CSIR-CEERI”, India-UK Scientific Seminar on ‘High Power THz Vacuum Devices for Social Benefits: India-UK Joint Action’ March 5 – 7, 2014, CSIR-CEERI, Pilani.
Shailendra Chaudhary, Pradeep Kumar, BD Pant, SK Ghosh, V Srivastava and RK Sharma, “W-Band Folded Waveguide RF Structure Vis-a-Vis Ease of Fabrication”, IVESC-2014, Saint Petersburg, Russia, 30June – 4 July 2014.
S Arya, P Pareek, A Nehra, A Mercy, AR Chaudhury, A Bera, V Srivastava, SK Ghosh and RK Sharma, “Experimental evaluation of electron gun, PPM focusing and collector for Ka band TWT”, IVESC-2014, Saint Petersburg, Russia, 30 June – 4 July 2014.
Amitavo R Choudhury, Pradeep Kumar, Rajendra Kumar Sharma, Vishnu Srivastava and V.V.P Singh, “Design and Analysis of RF Coupler for W-Band Folded waveguide TWT,” 16th IEEE International Vacuum Electronics Conference – IVEC 2015 at Beijing International Convention Center, Beijing, China, April 27-29, 2015.
Raktim Guha, A. Roy Choudhury, N. Purushothaman, K. Sharma, V. Srivastava and S.K. Ghosh, “Design and Optimization of Co-axial Coupler for Ka-Band Helix Travelling Wave Tube,” 16th IEEE International Vacuum Electronics Conference – IVEC 2015 at Beijing International Convention Center, Beijing, China, April 27-29, 2015.
Mercy Latha, R.K. Sharma, Amitavo Roy Choudhury, V. Srivastava and S.K. Ghosh, “Design of Single Stage Depressed Collector for W-Band Folded Waveguide Travelling Wave Tube,” 16th IEEE International Vacuum Electronics Conference – IVEC 2015 at Beijing International Convention Center, Beijing, China, April 27-29, 2015.
K. Singh, M. Ravi, M.S. Bisht, R.K.Barik, S.K. Shukla, R. Prajesh, T.P. Singh, S.K. Saini, Ashish Kumar, Rajesh Kumar, and R.S. Raju “Active sintered Controlled porosity dispenser (CPD) cathode”, , IVESC, Russia, 2014.
S. Bisht, R. K. Barik, A. K. Singh, M. Ravi, S.K. Shukla, and R. S. Raju,”Yttrium-doped Nano-Scandate Cathode for THz VED”, IVESC, Russia, 2014.
K. Shukla, A. K. Singh, R. K. Barik, and R. S. Raju, “Chemical Synthesis of Re-Sc Doped Impregnated Tungsten Nanoparticle for Cathode Applications” IVESC, South Korea, 2016.

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