Current Activities

  Future Plans

  Achievements

  Facilities

  Publications

  Team Members

 
Gyrotron Group: Publications and Patents
 
National/ International Journals
Invited Lectures
International Conference
Ph.D. Supervision
 
National/ International Journals
   
1.
Y. D. Joo, A. K. Sinha, and G. S. Park, "Development of a Simplified One-Dimensional Nonlinear Helix TWT Code Based on Lagrangian Disk Model", Journal of the Korean Physical Society, (JKPS), vol. 44 (5), 2004, pp. 1313-1317.
 
2.
Yanyu Wei, Wenxiang Wang, Baofu Jia, Jiahong Sun, A. K. Sinha, Sheng-Gang Liu and Gun-Sik Park, "Experimental Demonstration of the Effect of Groove Shape on the Wave Properties of the Helical Groove Waveguide", IEEE Microwave and Wireless Components Letters (MWCL), Vol. 13, No. 11, November 2003, pp. 484-486.
 
3.
Y. D. Joo, A. K. Sinha, and G. S. Park, "Electromagnetic wave propagation through an azimuthally asymmetric helix slow wave structure", Japanese Journal of Applied Physics (JJAP), Japan, Vol. 42, Part 1, No. 12, December 2003, pp. 7585-7593.
 
4.
Y. D. Joo, A. K. Sinha, Y. Y. Wei, and G. S. Park, "Simplified Approach to the Nonlinear Analysis in Helix Slow-Wave-Structure for a Traveling Wave Tube", Japanese Journal of Applied Physics (JJAP), Japan, Vol. 42, Part 1, November 2003, pp. 7104-7111.
 
5.
G. Singh, M. V. Kartikeyan, A. K. Sinha and B. N. Basu, "Effects of Beam and Magnetic Field Parameters on Highly Competing TE01 and TE21 Modes of a Vane Loaded Gyro-TWT", Int J Infrared and MM Waves, Vol. 23, No. 4, pp. 517-533, April 2002.
 
6.
M. V. Katikeyan, A. K. Sinha and M. Thumm, "Equivalent Circuit Analysis of Helix Loaded Waveguide for Gyro-TWTs", IEEE Trans on Plasma Science, Vol. 30, No. 1, Feb. 2002, pp. 375-379.
 
7.
S. Ghosh, A. K. Sinha, S. N. Joshi and Manisha, "A new Approach for Dispersion Characteristics and Interaction Impedance for a Helical Slow-Wave Sturcture Used in a Practical TWT", IETE Journal of Research, Vol. 47, Nos. 3&4, May-August, 2001, pp. 145- 151.
 
8.
R. K. Sharma, A. K. Sinha and S. N. Joshi, "An Improved Method for the Synthesis of Anode Aperture for Pierce Guns", IEEE Trans. on Electron. Devices, Vol. 48, No.2, Feb.2001, pp. 395-396.
 
9.
V. Srivastava, R. G. Carter, B. Ravinder, A. K. Sinha, and S. N. Joshi, "Design of Helix Slow-Wave Structures For High Efficiency TWTs", IEEE Trans. on Electron Devices, Vol.47, No.12, Dec. 2000, pp. 2438-44.
 
10.
S. Ghosh, A. K. Sinha, R. K. Gupta, S. N. Joshi, P. K. Jain and B. N. Basu, "A Heuristic Analysis for an Inhomogeneously Loaded Tape Helix Used in a Practical TWT", International Journal of Electronics, 2001, Vol. 88, No 2, pp. 197-213.
 
11.
R. K. Sharma, A. K. Sinha, S. M. Sharma, R. K. Gupta, S. N. Joshi and B. N. Basu, "Thermal Analysis of Electron Gun for a Miniature Helix TWT", IETE Technical Review, Vol. 17, No. 5, September-October 2000, pp. 269-274.
 
12.
S. Ghosh, A. K. Sinha, R. K. Gupta and S. N. Joshi, "Space Harmonic Effects in Helical Slow-wave Structure-An Equivalent Circuit Analysis(detailed paper) in 'Progress in Electromagnetic Research", PIER 30, 2001, pp. 85-104.
 
13.
S. Ghosh, A. K. Sinha, R. K. Gupta and S. N. Joshi, "Space Harmonic Effects in Helical Slow-wave Structure-An Equivalent Circuit Analysis - (abstract)", Journal of Electromagnetic Waves and Applications, Vol. 14, 2000, pp. 1083-1085.
 
14.
M. V. Kartikeyan, A. K. Sinha, H. N. Bandopadhyay, S. N. Joshi, E. Borie and M. Thumm, "A Cylindrical Waveguide Structure with Helical Grooves for High Power TWTs", Int J Infrared and MM Waves, Vo. 21, No. 4, April 2000, pp. 553-561.
 
15.
V. V. P. Singh, E. Borie, A. K. Sinha, B. N. Basu and H. N. Bandopadhyay, "Thermo-Mechanical Analysis of Single-Disc-Edge-Cooled Silicon Nitride Millimeter Wave Window for 200 kW CW Gyrotrons", Int J Infrared and MM Waves, Vol.21, No. 4, April 2000, pp. 485-504.
 
16.
R. K. Sharma, S. M. Sharma, A. K. Sinha, R. K. Gupta, S. N. Joshi and L. Kumar, "Design and Development of Coaxial Convergent Electron Gun for Gain and Phase Matched Miniature Helix TWT", IETE Tech Rev. Vol. 16, No.6, Nov-Dec. 1999, pp. 487-496.
 
17.
M. V. Kartikeyan, A. K. Sinha, H. N. Bandopadhyay and D. S. Venkateswarlu, "Effective Simulation of Radial Thickness of Helix SWSs Used in Practical TWTs", IEEE Trans. on Plasma Science, USA , Vol. 27, No.4, Aug. 1999, pp. 1115-1123.
 
18.
S. M. Sharma, R. K. Sharma, A. K. Sinha, P. Vishnoi, S. Ghosh, L. kumar, R. K. Gupta and S. N. Joshi, "Vacuum Processing of Gain and Phase Matched 40W (CW) Mini Helix TWTs", Bulletin of Indian Vacuum Society, Vol.2, No.3, Sept. 1999, pp. 35-39.
 
19.
S. Ghosh, A. K. Sinha, R. K. Gupta and S. N. Joshi, "An Equivalent Circuit Analysis for the Space Harmonics of a Helical SWS", Bulletin of Indian Vacuum Society, Vol.2, No.2, June 1999, pp. 75-79.
 
20.
R. K. Gupta, A. K. Sinhaand S. N. Joshi, "Interaction Impedance of a Practical Helix SWS Using Tape Helix Model", IETE Journal of Research (JIETE), Vol. 45, No.2, March-April 1999, pp. 87- 96.
 
21.
L. Kumar, S. M. Sharma, R. S. Raju, V. Srivastava, R. K. Gupta, S. K. Sharma, R. Verma, A. K. Sinha, S. Kapoor, S. S. Gupta, R. K. Sharma, S. S. S . Agarwala and S. N. Joshi, "Design and Development of an S-band helix Travelling-Wave Tube", JIETE, India, Vol. 40, No. 1, pp. 25-30, Jan-Feb. 1994.
 
22.
M. V. Kartikeyan, L. M. Joshi, A. K. Sinha and H. N. Bandopadhyay, "Computer-Aided Study of Some Re-entrant Cavity Structures for Klystrons", JIETE, India, Vol. 39, No. 6, pp. 339-344, Nov.-Dec. 1993.
 
23.
V. V. P. Singh, S. Chander, L. M. Joshi, A. K. Sinha and H. N. Bandopadhyay, "On the Electrical Design of Pill-Box Type High Power Microwave Window", JIETE, India, Vol. 39, No. 6, pp. 351-359, Nov-Dec. 1993.
 
24.
L. Kumar, S. M. Sharma, R. S. Raju, V. Srivastava, R. K. Gupta, S. K. Sharma, R. Verma, A. K. Sinha, S. Kapoor, S. S. Gupta, R. K. Sharma, S. S. S. Agarwala and S. N. Joshi, "Development of a 30 W (Peak) S-band TWT", IETE Tech. Rev., India, Vol. 10, No. 4, pp. 379-380, July-August 1993.
 
25.
P. K. Jain, B. N. Basu and A. K. Sinha, "Analytical Approaches to the Study of Helical Slow-Wave Structures for Broadband TWTs", IETE Tech. Rev., India, Vol. 10, No. 4, pp. 369- 378, July-August 1993.
 
26.
A. K. Sinha, R. Verma, R. K. Gupta, S. Kapoor, L. Kumar, S. N. Joshi and B. N. Basu, "A new Approach to analysis for Loaded Tape Helix", IETE Tech. Rev., India, Vol. 19, No.1, pp. 35-40, Jan-Feb. 1992.
 
27.
R. S. Raju, R. Verma, V. Srivastava, L. Kumar, A. K. Sinha, R.K. Gupta, S. Kapoor and S. N. Joshi, "Computer-Aided Design of Helix Travelling -Wave tubes", IETE Tech. Rev., India, Vol. 19, No. 1, pp. 11-19, Jan-Feb. 1992.
 
28.
M. V. Kartikeyan, A. K. Sinha, H. N. Bandopadhyay and D. S. Venkateswarlu, "A Study of Radially Thick Helix: Equivalent Circuit Approach", IEEE Tans. Elec. Dev., USA, Vol. ED-39, No. 8, pp. 1961-1965, August 1992.
 
29.
A. K. Sinha, R. Verma, R. K. Gupta, L. Kumar, S. N. Joshi, P. K. Jain and B . N. Basu, "Simplified Tape Model of Arbitrarily Loaded Helical Slow-Wave Structures for a Travelling- Wave Tube", IEE Proc- H, Microwave, Antennas and Propagation, UK, Vol. 139, No. 4, pp. 347-350, August 1992.
 
30.
B. N. Basu, R. K. Jha, A. K. Sinha and L. Kishore, "Electromagnetic Wave Propagation through an Azimuthally Perturbed Helix", J. Applied Phys., USA, Vol. 58, pp. 3625-3627, 1985.
 
31.
A. K. Sinha, B. N. Basu and K. N. Upadhyay, "Ferrite Loaded Helical Line with Coaxial Inner Metallic conductor: New Techniques to Obtain Characteristic Equation", JIETE, India, Vol. 27, No. 9, pp. 317-318, Sept. 1981.
 
32.
A. K. Sinha and B. N. Basu, "Dielectric-Loaded Helical Delay Line with an Inner Metallic Conductor", Indian J. Pure & Applied Phys., India, Vol. 19, No. 7, pp. 682-684, July 1981.
 
33.
B. N. Basu and A. K. Sinha, "Dispersion-Shaping Using an Inhomogeneous Dielectric Support for the Helix in a Travelling-Wave Tube", Int. J. Electronics, UK, Vol. 50, No. 3, pp. 235-238, March 1981.
 
34.
A. K. Sinha and B. N. Basu, "Dispersion- Shaping  in a Helix Slow-Wave Structure Using Metal Fins", JIETE, India, Vol. 26, No. 7, pp. 318-320, July 1980.
 
35.
A. K. Sinha and B. N. Basu, "Design of Dielectric- Supported Helix in a Glass Envelope", JIETE, India, Vol. .6, No. 3, pp. 185-187, March 1980.
 
36.
A. K. Sinha and B. N. Basu, "Circuit Parameters for a Complex Helical SWS Combining Results for Simpler Configurations", Indian J. Pure & Applied Phys., India, Vol. 18, No. 2, pp. 141-141, Feb. 1980.
 
Invited Lectures
   
1.
A. K. Sinha, "Gyrotron Towards New Domain", Int Conf. on Radio Science (ICRS), Jodhpur, Feb 27-29, 2008.
 
2.
A. K. Sinha, "Development of Indian Gyrotron", VEDA-07, SAMEER, Mumbai, 22-23 Nov. 2007.
 
3.
A. K. Sinha, "Fast Wave Microwave Tubes: Efforts at CEERI/India", 29 Oct, 2007, Electronics Engineering Deptt, Osmania University, Hyderabad.
 
4.
A. K. Sinha, "Design and Development of Gyrotron in India", 25 July, 2007, CEERI, Pilani (during a training program for B.Tech. students).
 
5.
A. K. Sinha, "Gyrotron Development in India", Int. Conf. on Microwave and Remote Sensing (ICMARS-06), 20-22 December, 2006, ICRCS, Jodhpur.
 
6.
A. K. Sinha, "Gyrotron: Some Design Aspects", "National Workshop on High Power Devices", 20 July, 2006, Institute of Engineering and Technology, Moradabad.
 
7.
A. K. Sinha, Lecture series (06) on "TWTs and Gyrotron", at Engg. College, Moradabad in from 03-04 July, 2006.
 
8.
A. K. Sinha, "Magnetron Injection Gun for Gyrotron", " National Workshop on Microwave and its Application", 07-11 March, 2006, BITS, Pilani.
 
9.
A. K. Sinha, "Design Issues of Magnetron Injection Gun, Workshop on Gyrotron and its Application", 20-22 Feb, 2006, IPR Gandhinagar.
 
10.
A. K. Sinha, lecture series (06) on "Different Aspects of TWT", at BHU, Varanasi during a course organized for Scientists of MWT Area of the country in Jan 2006.
 
11.
A. K. Sinha, "Progress in Analysis of Helix SWS Used in TWT" (p. 170-173) (Invited Paper), ELECTRO-2005 (03-05 Feb., 2005) (Organized: Electronics Engg. Dept, IT, BHU, Varanasi).
 
12.
A. K. Sinha, Lecture Series (05) at Seoul National University on the "Different Aspects of Helix TWTs" during (01 March, 2002-23 August, 2003).
 
13.
A. K. Sinha, Lecture series on "Gyrotron and Related Devices", at Electronics Engineering Department, Institute of Technology, Banaras Hindu University, Varanasi, India during a course on "Microwave Tubes" in September 1999.
 
14.
A. K. Sinha, "Electron Tubes", during a course on "Vacuum Science and Technology", (Sponsored by Indian Vacuum Society) during 21-23 September, 1993 at CEERI, Pilani as a faculty member.
 
15.
A. K. Sinha, "Design and Broadbanding Aspects of Helix Slow-Wave Structures in TWTs", at Electronics Engineering Department, Institute of Technology, Banaras Hindu University, Varanasi, India in February 1993.
 
International Conference
   
1.
A. Bera, Udaybir Singh, R. R. Rao and A. K. Sinha, "Design of MIG for 42GHz 200KW Gyrotron", Int. Vac. Elec. Conf. (IVEC-2008), 22-24 April 2008, California, USA.
 
2.
S. K. Sharma, Ashutosh Singh, B. Jha, P. K. Jain, Vineet Sharma, R. S. Raju and A. K. Sinha, "Characterization of a Gyrotron Cavity", International Conference on Radio Science (ICRS-08), 27-29 Feb. 2008, Jodhpur.
 
3.
Vineet Sharma, U. K. Goswami, Udaybir Singh, N. Shekhawat, S. Maurya, A. Bera and A. K. Sinha, "Engineering Drawing of 200kW, 42 GHz Gyrotron", ICRS-08, 27-29 Feb. 2008, Jodhpur.
 
4.
Udaybir Singh, A. Bera, R. R. Rao and A. K. Sinha, "Synthesis of Magnetron Injection Gunf or 200 kW, 42 GHz Gyrotron", Int. Conf. on Radia Science (ICRS-2008), 27-29 Feb. 2008, ICRS, Jodhpur.
 
5.
S. Maurya, Maria Rozi, R. R. Rao and A. K. Sinha, "Selection of Operating Mode in Gyrotron" Asia Plasma and Fusion Association (APFA-07)", Conf., 03-05 Dec, 2007, IPR, Gandhinagar.
 
Ph.D. Supervision
  Awarded
1.
"Some Studies on the Modelling of Cavity and Helical Structures for Microwave Tubes", M. V. Kartikeyan, Scientist, CEERI (Supervisor Prof. D. S. Venkateswarlu (BHU), and Co-Supervisor:  Dr. A. K. Sinha (Ph.D. degree was awarded in 1992).
 
2.
"Analysis of Microwave Windows Used in High Power Microwave Tubes", V. V. P Singh, Scientist, CEERI, (Supervisor: Prof. B. N. Basu (BHU), and Co-Supervisor: Dr. A. K. Sinha) (Ph.D. degree was awarded in 2000).
   
  On-going
1.
"Electromagnetic-Wave Propagation in Some Slow and Fast Wave Interaction Structures for Microwave Tubes", R. R. Rao, Scientist, CEERI (Supervisor: Prof. P. K. Jain (BHU), and Co-Supervisor:  Dr. A. K. Sinha)(wef March 2004).
 
2.
"Studies of Modeling of Interaction Structure of Gyro-Devices", Nitin Kumar, CEERI (Supervisor: Dr. T. P. Singh, CCSU Meerut, and Co-Supervisor: Dr. A. K. Sinha) (wef: Oct. 2007).
   

   
 
Copyright © CEERI Pilani.