Microwave Devices

Beam Dynamics

2017

Publications

  • Jagdish Kumar, Rajendra Kumar Verma, Mahesh Kumar, N. Kanagaraj, S. Maurya & V. V. P. Singh. “Design considerations and experimental estimation of temperature coefficient of resistance of W-Re heater for high power pulse magnetrons”, Journal of Electromagnetic Waves and Applications, July 2017. DOI: http://dx.doi.org/10.1080/09205071.2017.1353926
  • Niraj Kumar, Dharmendra Kumar Pal, Ram Prakash Lamba, Udit Narayan Pal, and Ram Prakash.”Analysis of Geometrical Design Parameters for High-Energy and High-Current-Density Pseudospark-Sourced Electron Beam Emission.”IEEE Transactions on Electron Devices 64, no. 6 (2017): 2688-2693

Conferences

  • Monika Sharma, Surbhi Adya, Rajendra Kumar Verma, Shivendra Maurya and V.V.P Singh “Thermal and Structural Study of various materials for High Power 170 GHz RF Window Characterization”, 16-18th March 2017, National Conference on Emerging Trends in Vacuum Electronics Devices & Applications( VEDA-2016) held at IPR, Gandhinagar, Ahmedabad
  • D. Pal, V. Jindal, A. K. Bandyopadhyay, L.K Verma and Rahul Singhal “ Performance enhancement of coupled fed printed log-periodic antenna using complimentary split ring resonator “ Accepted, PIERS 2017, Singapore.

2016

Publications

  • Debasish Pal & Amalendu Patnaik “An analytical formulation of metamaterial-based compact patch antennas “ International Journal of Electronics Letters, Dec-6, 2016,pp. 1-8.
  • AK Bandyopadhyay, LM Joshi, D Pal, D Kant, R Meena, B Kumar and S Maity, “Development of the Radiofrequency Section of a Ku-band Multiple-Beam Klystron”, IETE Journal of Research 62 (6), pp 859-865, 2016.
  • Kaushik M., Bandyopadhyay AK. and Joshi LM, “Theoretical design of the gun-cum-input cavity and focusing structure envisaged for a 350 MHz, 100 kW (CW) inductive output tube”, Journal of Electromagnetic Waves and Applications, vol. 30, no. 14, pp. 1918–1928, 2016.
  • Mercy Latha, and S.K. Ghosh, “Design and development of a novel, compact and light-weight multi-stage depressed collector for space TWTs”,  IEEE Transactions on Electron Devices, vol. 63, no. 1, pp. 481-485, Jan, 2016.
  • Suneeta Arya, Mercy Latha, S. K. Ghosh, V. Srivastava, A.K. Paul, Monika Singla, R.K. Sharma, Carbon Film Deposited Collector Electrode for High Efficiency TWTs, Indian Journal of Pure and Applied Physics, Vol 54, no. 2, pp. 111-115, Feb, 2016.
  • Mercy Latha, and S.K. Ghosh, “An Asymmetric Highly Efficient Multi-stage Depressed Collector for Space TWTs”, IEEE Transactions on Electron Devices, 63, no. 5, pp. 2139-2144, May, 2016.
  • Sandeep Kumar Vyas, Rajendra Kumar Verma, Shivendra Maurya and Vindhyavasini Prasad Singh. “Review of Magnetron Developments” has been published in Frequenz, ODI 10.1515/freq-2015-0196 May 2016.

Conferences

  • AK Bandyopadhyay, D Pal, A Saini, D Kant, S Saha and LM Joshi, ”Design of a Ku band miniature multiple beam klystron”, In AIP Conf. Proc.,1715, 020052 (pp. 1-5), 2016.
  • S Saha, AK Bandyopadhyay, D Pal, D Kant, L M Joshi, B Kumar, R Meena and VS Rawat,” A novel technique for tuning of co-axial cavity of multi-beam klystron”, AIP Conf. Proc.,1715, 020070 (pp. 1-6), 2016.
  • Monika Sharma, Surbhi Adya, Rajendra Kumar Verma, Shivendra Maurya and V.V.P Singh “Gaussian Mode Analysis of THz Horn using CST Microwave Studio”, 5-9 December, 2016, International Microwave and RF Conference (IMaRC-2016) held at New Delhi

2015

Publications

  • S. Indumathi, Debasish Pal, Ayan Kumar Bandyopadhyay, Lalit Mohan Joshi, Bijender Kumar, Rakesh Meena, Sukalyan Saha and Prasoon Shukla, “Design of RF Section for X Band Sheet Beam Klystron, International Journal of Electronics and Communication Technology”, Vol. 6, Issue-1, Spl -1, pp. 185 – 189, Jan-Mar 2015.
  • Mercy Latha, R.K. Sharma, Yogesh Kumar, and S.K. Ghosh, “Techniques for the development of multi-stage depressed collector”,  IEEE Transactions on Electron Devices, vol. 62, no. 6, pp. 2038-2043, Jun, 2015.
  • 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.
  • Rahaman, V. Pathania, D. K. Pal, R. P. Lamba , B.L. Meena, N. Kumar,U. N. Pal, and Ram Prakash, “Plasma based Double Gap Pseudospark Switch for Pulsed Power Modulators” IJECT vol. 6, Issue 1,Spl- 1Jan – March 2015
  • R. P. Lamba, V. Pathania, B. L. Meena, H. Rahaman, U. N. Pal, and Ram Prakash, “Investigations of a High Current Linear Aperture Radial Multichannel Pseudospark Switch” Review of Scientific Instruments, 86, no. 10 (2015): 103508.
  • Rajendra Kumar Sharma, Amitavo Roy Choudhury, Suneeta Arya, Sanjay Kumar Ghosh, Vishnu Srivastava, “Design and Experimental Evaluation of Dual-Anode Electron Gun and PPM Focusing of Helix TWT,” IEEE Transactions On Electron Devices, pp. 3419-3425, vol. 62, no. 10, September 2015.
  • Sandeep Kumar Vyas, Shivendra Maurya, Rajendra Kumar Verma and Vindhyavasini Prasad Singh. “Strapped Magnetron Performance affected by Dielectric Material Filling” Published in IEEE Tran. on Plasma science Vol. 43, No.9, pp. 3142-3146, Sept. 2015.
  • Sandeep Kumar Vyas, Shivendra Maurya, Rajendra Kumar Verma and Vindhyavasini Prasad Singh, “Synthesis and Simulation studies of a 10 kW, 2.45 GHz CW Magnetron”. Published in IEEE Tran. on Plasma science Vol. 43, No. 10, pp. 3615-3619, Oct., 2015.
  • Raktim Guha, N Purushothaman, A Roy Choudhury and SK Ghosh “Modeling of Co-axial Coupler for Ka-band Helix Traveling-Wave Tube,” International Journal Of Electronics & Communication Technology (IJECT)-Vol 6.1, Spl-1 Jan-Mar 2015
  • Amitavo Roy Choudhury, Danilo D’Andrea, and Manfred Thumm, “Study of Dynamic After Cavity Interaction in Gyrotrons—Part II: Influence of a Non uniform Magnetic Field,” IEEE Transactions On Electron Devices, pp. 192-199, vol. 62, no. 1, January 2015.
  • Amitavo Roy Choudhury, S. Kern, and M. Thumm, “Study of dynamic after cavity interaction in gyrotrons, part I: Adiabatic approximation,” IEEE Transactions on Electron Devices, pp. 184-191, vol. 62, no. 1, January 2015

Conferences

  • AK Bandyopadhyay, LM Joshi, D Pal, D Kant, B Kumar, R Meena, VS Rawat, R Kumar and P Singh, “Development of high CW power RF Coupler for LEHIPA”, National Workshop on Vacuum Electronic Devices and Applications (VEDA-2014), March 20 -21, 2015, Indore.
  • D Kant, P Sharma, AK Bandyopadhyay, D Pal, R Meena, B Kumar, VS Rawat, P Agrawal and LM Joshi,” Design and Characterization of RF Cavity for a 352.2 MHz, 100 kW CW Power Klystron” National Conference on Vacuum Electronic Devices and Applications (VEDA-2015), Dec.3-5, 2015, Bangalore.
  • AK Bandyopadhyay, A Saini, S Saha, S Indumathi, D Kant, D Pal, B Kumar, R Meena, VS Rawat and LM Joshi,”Design Studies of a Miniature Multi beam Klystron”, National Conference on Vacuum Electronic Devices and Applications (VEDA-2015), Dec.3-5, 2015, Bangalore.
  • AK Bandyopadhyay, Deepender Kant, D Pal, , R Meena, B Kumar, VS Rawat, and LM Joshi,” Some Experiences with hot testing of 6 MW S-band klystron”, National Conference on Vacuum Electronic Devices and Applications (VEDA-2015), Dec.3-5, 2015, Bangalore.
  • S Indumathi, P Sharma, D Pal, A Saini, AK Bandyopadhyay and L.M.Joshi, “Characterization of Intermediate Cavity for X-Band Sheet Beam Klystron”, National Conference on Vacuum Electronic Devices and Applications (VEDA-2015), Dec.3-5, 2015, Bangalore.
  • 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, R.K. Sharma, 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.
  • Gaurav Singh Baghela, Sukwinder Singh, Amitavo Roy Choudhury, Yuvaraj S, S. Karmakar, S K Kamath, M V Kartikeyan, “A 95 GHz, 100 kW, CW Millimeter Wave Source,” 16th IEEE International Vacuum Electronics Conference – IVEC 2015 at Beijing International Convention Center, Beijing, China,  April 27-29, 2015.
  • Alka, Gaurav Singh Baghel, Jagdish Mudiganti, Sukwinder Singh, Yuvaraj S, Amitavo Roy Choudhury, M V Kartikeyan, “Investigation of MIG for a 95 GHz Second Harmonic Gyrotron,” 16th IEEE International Vacuum Electronics Conference – IVEC 2015 at Beijing International Convention Center, Beijing, China,  April 27-29, 2015.
  • Rajendra Kumar Verma, Shivendra Maurya and VVP Singh “Particle-in-cell Simulation of Long Anode Magnetron” for oral presentation in IVEC-2015 to be held at Beijing, China during April  27-29, 2015
  • Nalini Pareek, Ram Prakash, Udit Narayan Pal, Niraj Kumar , Niladri SarkaPIC-FDTD code for beam-wave interaction analysis in rippled wall slow wave structure, 2015 IEEE International Conference on Plasma Sciences (ICOPS) Date of Conference: 24-28 May 2015, Antalya, Turkey, DOI: 1109/PLASMA.2015.7179651
  • Nalini Pareek , Niraj Kumar , U. N. Pal and Ram Prakash “Dispersion relation analysis for deeper corrugation of a rippled walled slow wave structure” PSSI Plasma Scholars Colloquium-2015, 6-7 ugust 2015, Jadavpur University, Kolkata.

2014

Publications

  • V Gahlaut, AMercy Latha, PA Alvi and SK Ghosh, “Thermal impact on the performance of highly efficient multi-stage depressed collector for space TWT”, Frequenz, vol.68, 1-2, Jan 2014, pp. 83-89.
  • Mercy Latha, Vishant Gahlaut, RK SharmaV Srivastava and SK Ghosh, “Multi-stage Depressed Collector with Improved Thermal Management for High Efficiency Traveling Wave Tubes”, IEEE Transactions on Electron Devices, pp. 1536-1540, vol. 61, no. 5, May, 2014
  • Rajendra Kumar Verma, Shivendra Maurya and Vindhyavasini Prasad Singh. “Study of Mode Control in Long-Anode High Power Pulse Magnetron”. Published in IEEE Tran. on Plasma science Vol. 42, Issue 12, pp. 4010-4014, December, 2014.
  • Gahlaut, Rupasree Roy, A. Roy Choudhury, P.A. Alvi, S.K. Ghosh and A.K. Sinha, “Electrostatic and thermal analysis of a dual-anode electron gun for space traveling-wave tubes,” Journal of Electromagnetic Waves and Applications, 2014 Taylor & Francis. DOI: 10.1080/ 09205071.2014.953640, pp. 2005-2013, Volume 28, Issue 16, 2014.
  • D Pal, D Kant, AK Bandyopadhyay, T Giri, LM Joshi and OS Lamba,” Design and Testing of RF Window for a High Power Klystron”, European Journal of Advances in Engineering and Technology, ISSN: 2394 – 658X, 2014, 1(2), pp. 29-34.
  • Deepender Kant, Debasish Pal, AK Bandyopadhyay, Rakesh Meena, Bijendra Singh, V. S. Rawat, L. M. Joshi and K. Dixit,” Design, Fabrication and Testing of Gun-Collector Test Module for 6 MW Peak, 24 kW Average Power, S-Band Klystron”, European Journal of Advances in Engineering and Technology, ISSN: 2394 – 658X, 2014, 1(1), pp. 11-15
  • Niraj kumar, , Nalini Pareek Uddit narayan pal,Deepak kumar verma, Jitendra prajapati,Mahesh kumar, Bharat lal meena and Ram Prakash “Performance evaluation of self-breakdown-based Single-gap plasma cathode electron gun” Pramana – J. Phys., Vol. 82, No. 6, June 2014, DOI: 1007/s12043-014-0752-3

Conferences

  • Kumud Singh, Janvin Itteera, Priti Ukarde, Sanjay Malhotra, Y. K. Taly, Ayan Bandyopadhay, Rakesh Meena, Vikram Rawat, L. M. Joshi,” Design and development of permanent magnet based focusing lens for J-Band Klystron”, In Proc. IEEE International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV), 2014, pp. 677-680.
  • M.V.Kartikeyan, Amitavo Roy Choudhury, J. jelonnek and Manfred Thumm, “High Power Sub-Thz Wave Sources for Clean Energy and Other ISM Applications”, India-UK Scientific Seminar at CSIR-CEERI Pilani, March 5-7 2014.
  • S Arya, P Pareek, A Nehra, A Mercy, Roy Choudhury, A. Bera, V Srivastava, SK Ghosh and RK Sharma, “Experimental evaluation of electron gun, PPM focusing and collector for Ka band TWT”, Joined International Conferences IVESC-ICEE-ICCTPEA-BDO at St. Petersburg, Russia, June 30 – July 4, 2014.
  • K. A. Avramidis, Z. C. Ioannidis, A. Samartsev, Roy Choudhury, S. Alberti, I. G. Tigelis, “Simulations of dynamic after-cavity interaction in gyrotrons,” 9th International Workshop-Strong Microwave and Terahertz Waves: Sources and applications at Nizhny Novgorod, Russia, 24-30 July 2014.
  • Mercy Latha, Purna Chandra Panda, SK, Ghosh, “Novel Asymmetric High Efficient Multi-stage Depressed Collector for Space Traveling Wave Tubes”, Proc. of 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams (ICOPS/BEAMS) 2014, 25-29, May, 2014, Washington DC, USA.
  • S Arya, P Pareek, A Nehra, A Mercy, Roy Choudhury, A. Bera, V Srivastava, SK Ghosh and RK Sharma, “Experimental evaluation of electron gun, PPM focusing and collector for Ka band TWT”, Joint International Conferences IVESC-ICEE-ICCTPEA-BDO at St. Petersburg, Russia, June 30 – July, 2014
  • Nalini Pareek, Minhaz Ahmed,Udit Narayan Pal, Niraj Kumar , Niladri Sarkar and Ram Prakash Development of PIC-FDTD code for beam-wave interaction study in ‘PASOTRON’ ,2014 Published in: Plasma Sciences (ICOPS) held with 2014 IEEE International Conference on High-Power Particle Beams (BEAMS), 2014 IEEE 41st International Conference on IEEE Conference: 25-29 May 2014 Washington, DC, USA DOI: 1109/PLASMA.2014.7012414

2013

Publications

  • Mercy Latha, Vishant Gahlaut, Jaspreet Kaur, RK Sharma, V Srivastava, SK Ghosh, PA Alvi, “A Novel Geometry Multi-Stage Depressed Collector for the Efficiency Enhancement of Space Traveling Wave Tubes”, Journal of Infrared, Millimeter, and Terahertz Waves: Vol. 34, No. 1, pp. 53-61, Jan, 2013

Conferences

  • D Kant, LM Joshi, AK Bandyopadhyay, D Pal, R Meena, VS Rawat, B Kumar and SC Nangru, “Design and Development of Beam Stick Tube for a 100 kW CW, 350 MHz Klystron”, IUVSTA Workshop on UHV Techniques for Large Volume Devices, 19-22 March, 2013, Gandhinagar.
  • AK Bandyopadhyay, S Maity, LM Joshi, D Kant, and A K Singh. “Design of the radio frequency section of a multiple beam klystron working in the J-band frequency range.”, 14th IEEE International Vacuum Electronics Conference (IVEC), 21-23 May 2013, Paris.
  • SK Jangid, AK Bandyopadhyay, LM Joshi, D Kant, N Devi and D Pal, “Design of Sheet Beam Electron Gun for a X-band Klystron”, 14th IEEE International Vacuum Electronics Conference (IVEC), 21-23 May 2013, Paris.
  • AS Nirmala Devi, AK Bandyopadhyay and LM Joshi, ”Cavity Simulation for a High Power X-Band Sheet Beam Klystron”, National Symposium on High Power RF & Microwave (HPRFM-2013), 4-6 September 2013, Gandhinagar.
  • D Kant, LM Joshi, AK Bandyopadhyay, D Pal, R Meena, VS Rawat and SC Nangru, ”Design and Development of Beam Stick Tube for a 350MHz Klystron”, National Symposium on High Power RF & Microwave (HPRFM-2013), 4-6 September 2013, Gandhinagar.
  • Arpit Raj, Deepender Kant, AK Bandyopadhyay and LM Joshi, ”Thermal Simulation of Collector for High-Average Power Klystron”, National Symposium on High Power RF & Microwave (HPRFM-2013), 4-6 September 2013, Gandhinagar.
  • Amitavo Roy Choudhury and Manfred Thumm, “Investigations of Dynamic After Cavity Interaction Using Uniform Magnetic Field and Adiabatic Approximation”, National Conference on Vacuum Electronics Devices & Applications at IIT-Roorkee, Roorkee on Oct 18-20, 2013.
  • Mercy Latha, Vishant Gahlaut, Suneeta Arya, Yogesh Kumar, RK Sharma and SK Ghosh, “Improvements in fabrication technology of multi-stage depressed collector for space travelling wave tubes”, to be presented at International RF and Microwave Conference (IMaRC 2013), 14-16 Dec, 2013.
  • P. Lamba, B. L. Meena, U. N. Pal, Niraj Kumar, and Ram Prakash. “Design and development of a high current pseudospark switch for pulse power applications.” In Pulsed Power Conference (PPC), 2013 19th IEEE, pp. 1-4. IEEE, 2013.

2012

Publications

  • Jaspreet Kaur, Nitin Shrivastav, Ashok Nehra, Mercy Latha, Abhishek Jain, RK Gupta, V Srivastava and SK Ghosh, “Small Size multi-stage Depressed Collector for Space Traveling Wave Tubes”, International Journal of Electrical and Electrical Engineering, vol.5, no.6, 2012
  • Mercy Latha, Jaspreet Kaur, Ashok Nehra, SK Ghosh, V Srivastava, “Efficiency Enhancement of Traveling Wave Tubes using Multi-stage Depressed Collector: A Review”, International Journal of Electrical and Electrical Engineering, Vol.5, No.9, pp. 785-787, 2012
  • D. Kant, A.K. Bandyopadhyay, D. Pal, R. Meena, S.C. Nangru and L.M. Joshi,” Computer-aided design of the RF-cavity for a high-power S-band klystron”, International Journal of Electronics, Vol. 99, No. 8, August 2012, pp. 1155–1164.
  • Santigopal Maity, Ayan Kumar Bandyopadhyay and Lalit Mohan Joshi, “Design of Radio Frequency Cavities for a J‑band Multibeam Klystron”, IETE Journal of Research, vol 58, issue 4, pp 310-316, July-Aug 2012.

Conferences

  • A Roy Choudhury, S.Kern, D.D’Andrea and M.Thumm, “Numerical investigations of parasitic Oscilla-tions in gyrotrons”, 39th IEEE International Conference (ICOPS) on Plasma Science, 8-12 July 2012.
  • Schmid, A.Roy Choudhury, G. Dammertz, V. Erckmann, G. Gantenbein, S. Illy, J. Jelonnek, S. Kern, F. Legrand, T. Rzesnicki, A. Samartsev, A. Schlaich, M. Thumm, “Recent achievements on tests of series gyrotrons for W7-X and planned extension at the KIT Gyrotron Test Facility”, 27th Symposium on Fusion technology, Liege, Belgium, 24-28 September, 2012.
  • A Roy. Choudhury, Danilo D’Andrea, Stefan Kern, and Manfred Thumm, “On the Influence of B-Field Shape Variations on Gyrotron Spurious Oscillations”, Annual Meeting of the KIT Energy Center, KIT-Energy Center Karlsruhe, 18th June 2012.
  • Jelonnek, A. Roy Choudhury, G. Dammertz, J. Flamm, G. Gantenbein, S. Illy, J. Jin, S. Kern, A. Malygin, I. Pagonakis, B. Piosczyk, T. Rzesnicki, A. Samartsev, A. Schlaich, M. Schmid, and M. Thumm, “Status and prospects of gyrotron development at KIT”, 3rd ITG International. Vacuum Electronics Workshop, Physics Center Bad Honnef, Germany, 19-21 August 2012.
  • Roy Choudhury, “Particle-In-Cell simulations for Gyrotron calculations with extended SELFT code”, KIT Fusion PhD Students Seminar 2012, Bad-Herrenalb, Karlsruhe, 20- 21 June 2012. 
  • Suneet Kumar, Anil Kumar Savita, Vishnu Jindal, Rakesh Meena, Bijendra Kumar, Vikram Rawat, Sushil Kumar Jangid, Depender Kant, Ayan Kumar Bandyopadhyay and Lalit Mohan Joshi, “Development Of Radio Frequency Windows for a J-Band Transmitter”, In Proceedings National Conference on Materials, Devices and Circuits in Communication Technology (MDCCT), Feb 2012, Burdwan.
  • SK Jangid, Nirmala Devi, AK Bandopadhyay, D. Kant and LM Joshi, “Design studies of A Sheet Beam Electron Gun”, In Proceedings National Conference on Materials, Devices and Circuits in Communication Technology (MDCCT), Feb 2012, Burdwan.
  • AS Nirmala Devi, AK Bandyopadhyay, LM Joshi, B Kumar and R Meena, “Design and Characterization of X-Band Sheet Beam Klystron Cavity”, International Symposium on Vacuum Science & Technology and Its Application for Accelerators (IUVSTA), February 15-17, 2012, Kolkata.
  • V. Jindal, D. Pal, M. Joshi, D. Kant, A. K. Bandyopadhyay,  R. Meena, A. K. Savita, V.S.Rawat, B.Kumar, S.Kumar, P. Sharma “Design, Fabrication and Characterization of a Re-entrant Cavity for a J-band Klystron” National Conference on Recent Advancement in Communication System & Image Processing(RACSIP-2012), April 02-03, 2012, Pilani.
  • K.Singh, A.K.Bandyopadhyay, L.M. Joshi, D. Kant and R.Meena, “Design of rectangular radio frequency cavity for miniature multibeam klystron”, Recent Trends in Microwave Techniques and Applications (Microwave – 2012), 30th July -1st August, 2012, Jaipur.
  • Gupta, A.K. Bandyopadhyay, L.M.Joshi, A.K Singh and D.Kant,” Design of Shadow Gridded Electron Gun for a Miniature Klystron”, Recent Trends in Microwave Techniques and Applications (Microwave – 2012), 30th July -1st August, 2012, Jaipur.
  • S. Gupta, K. Bandyopadhyay, L. M. Joshi, N. Devi, D. Kant, “Design Modification of Focusing System for a Miniature Klystron”, VEDA 2012, Sep. 21-24, Pilani.
  • S. Rawat, R. Meena, A.K. Savita, S. Gupta, D. Kant, D. Pal, L.M. Joshi, A.K. Bandyopadhayay,  P. Sharma, S. Kumar,  B. Kumar, V. Jindal, N. Devi, S. Arya, R.K. Sharma and S.M. Sharma “Test Result of a 300W Peak Power J-Band Klystron Beam Stick Tube”, VEDA 2012, Sep. 21-24, Pilani.
  • Anil Kumar Savita, Sunit Kumar, Vikram Singh Rawat, Vishnu Jindal, Rakesh Meena, Bijendra Kumar, Deepender Kant, Ayan Kumar Bandyopadhyay and Lalit Mohan Joshi, ”Development Of Coupling Sections For a Miniature Klystron”, VEDA 2012, Sep. 21-24, Pilani.
  • D Pal, L M Joshi, D Kant, R Meena and AK Bandyopadhyay, “Design & Study of a reduced size cylindrical cavity loaded with negative meta material”, VEDA 2012, Sep. 21-24, Pilani.
  • AS Nirmala Devi, AK Bandyopadhyay, LM Joshi, B. Kumar and R Meena, “Design and Characterization of X-Band Sheet Beam Klystron Cavity,” Journal of Physics: Conference Series (JPCS), vol. 390, November 2012.
  • LM Joshi, Rakesh Meena, Subhash Nangru, Deepender Kant, Debasish Pal, Ayan Kumar Bandyopadhyay, OS Lamba, Vishu Jindal, DP Chakravarty and Kavita Dixit, ”Design and development of a 6 MW Peak Power Klystron for Industrial Linear Accelerator”, International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS)-2012, Dec. 11-15, 2012, Jodhpur.
  • Jindal, V.S. Rawat, R. Meena, A.K. Savita, S. Gupta, D. Kant, D. Pal, L.M. Joshi, A.K. Bandyopadhyay, P. Sharma, S. Kumar, B. Kumar, N. Devi, S. Arya, R.K. Sharma and S.M. Sharma, “Temperature characterization of fast warm-up cathode for electron gun of a J-Band Klystron”, International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS)-2012, Dec. 11-15, 2012, Jodhpur. 
  • Sharma, A. Savita, S. Kumar, V. Jindal, V. S. Rawat, B. Kumar, R. Meena, A.K. Bandyopadhyay, D. Kant, L.M. Joshi, S.C. Nangru, R. Kumar, P. Singh, “Fabrication of Radio Frequency Co-axial Coupler for 50 kW CW Power Coupling in LEHIPA Cavities”, International Conference on Microwaves, Antenna Propagation and Remote Sensing (ICMARS)-2012, Dec. 11-15, 2012, Jodhpur. 
  • Mercy Latha, V Srivastava, RK Gupta and SK Ghosh, “Development of Magneto-static Solver Module for the design of compact and light-weight Travelling Wave Tubes”, Journal of Physics: Conference Series 390 (2012), 012078
  • Mercy Latha, Jaspreet Kaur, Dheeraj Bharati, Abhishek Jain, Vishnu Srivastava, RK Sharma and SK Ghosh “Analysis of the Performance of Trochoidal Collector for Space Applications”, Proceedings of ICMARS 2012,Dec 2012, 208
  • Jaspreet Kaur, A Mercy Latha, Abhishek Jain, Dheeraj, V Srivastava, RK Sharma and SK Ghosh, “Study of the impact of variation in number of trajectories on the collector performance”, Proceedings of ICMARS 2012, Dec 2012, pp. 232
  • Nitin Srivastava, Seema Yadav, Mercy Latha, Dheeraj Kumar, SK Ghosh, V Srivastava, RK Sharma, “Multi-stage Depressed Collector with Reduced Size and Weight for Space Applications”, Proc of International Vacuum Electronics Conference (IVEC) 2012, Feb 2012, pp. 451-452
  • Mercy Latha, Jaspreet Kaur, RK Sharma, SK Ghosh, V Srivastava, “Selection of Optimum Cooling Mechanism for the Reduced Size Collector of Space Traveling Wave Tube”, Proceedings of VEDA’12, Sep 2012, pp. 59-60
  • Jaspreet Kaur, Nitin ji Srivastava, Mercy Latha, Abhishek Jain, RK Sharma, V Srivastava, RK Gupta, SK Ghosh, “A High Efficiency Novel Multi-stage Depressed Collector”, Proceedings of VEDA’12, Sep 2012, pp. 248-249

Patent

  • R. P. Lamba , B.L. Meena, H. Rahaman, Niraj Kumar, U. N. Pal, and Ram Prakash, “A 20kV/20kA Linear Aperture Radial Multichannel Pseudospark Switch (LARM-PSS) for High Current Applications” Indian Patent, Application No., 1220/DEL/2015 published on 11/04/2016.