AJP	ISSN : 0971 – 3093 Vol 32, Nos 9 – 12, September – December, 2023

Asian
Journal of Physics

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Volume 32

Nos 9 – 12

September – December, 2023

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A Special Issue in honour of Prof Baidyanath Basu

Guest Edited By

Subrata Kumar Datta

Anita Publications
FF-43, 1st Floor, Mangal Bazar, Laxmi Nagar, Delhi-110 092, India

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Contents

Autobiographic account of my induction and furtherance in research in the area of vacuum electronic devices
Baidyanath Basu415

Determination of Design Parameters of SDV-SWS for a Planar High Power THz-BWO
Vishnu Srivastava425

Design of a 94 GHz PBG-based Multi-beam EIK
Vemula Bhanu Naidu, Dipanjan Gope and Subrata Kumar Datta435

Design and experimental evaluation of Electron Gun and Periodic Permanent
Magnet Focussing Structure of a Ku-Band Space-TWT
A Roy Choudhury, Chirag Mistry, A. Nagaraju, Pawan Pareek, Suneeta Arya and Sanjay Kumar Ghosh443

A Simple and Fast Split-Model Optimization Technique for RF Couplers of Helix Traveling-Wave Tubes
Raktim Guha and Sanjay Kumar Ghosh453

Design and Development of Radiation Cooled Ku-band Space TWT for Satellite Communication
Chirag Mistry, A R Choudhury, A. Nagaraju, Suneeta Arya, Pawan Pareek, and Sanjay Kumar Ghosh
463

Design of a Simplified Electron Gun without BFE for Linear Beam Tubes
Suneeta Arya, Atmakuru Nagaraju, and Sanjay Kumar Ghosh473

Development and Characterization of Pseudospark Discharge based Plasma Cathode Electron (PD-PCE)
Source for High Density and Energetic e-beam Generation for Pulsed Power Applications
Varun, Akhilesh Mishra, Navin Kumar Sharma, Ram Prakash Lamba and Udit Narayan Pal479

Analysis and characterization of Kr/Cl₂ based 222 nm far UV-C excimer source
Surbhi Bidawat, Navin Kumar Sharma, R P Lamba, Mahendra Singh, Alok Mishra, Y Choyal and U N Pal487

Analysis of Non-thermal Atmospheric Pressure Plasma-source based Plasma-activated
Water for Agricultural Application
Priti Pal, Vishali Singh, Navin K Sharma, Mahendra Singh, Alok Mishra, Shivendra Maurya,
Ram Prakash Lamba and Udit Narayan Pal495

Development and Switching Characterization of High Power Pseudospark Switch for Fast Pulsed Power Applications
Akhilesh Mishra, Shikha Misra, Varun, Bharat Lal Meena, Alok Mishra, Abhijit Ravindra Tillu, Ram Prakash Lamba and Udit Narayan Pal503

Development of cold atmospheric pressure plasma jet sources for biomedical application
Navin K Sharma, Priti Pal, Mahendra Singh, Vishali Singh, R Kumar, Alok Mishra, R P Lamba,
Y Choyal and Udit Narayan Pal511

Simulation of high frequency short pulse excitation of co-axial xenon excimer source for generation of 172 nm radiation
Navin K Sharma, Y Choyal, Udit Narayan Pal and Ram Prakash Lamba519

Theoretical investigation on impact ionization of argon gas-filled cavities
Navin Kumar Sharma, Ram Prakash Lamba, Udit Narayan Pal and Y Choyal525

Design and PIC Simulation of a Klystron-like RBWO with Dual Extraction Cavity
Pratibha Verma, V Venkata Reddy and M Thottappan531

Design and Simulation Studies of a Ka-band Two-Cavity Gyro-Twystron Amplifier
V Veera Babu, Shyam Gopal Yadav, Smrity Dwivedi and M Thottappan539

Design and development of a thermally stable dual-anode electron gun for space applications
Ambrish Ghadiya, Ramagiri Santhosh Kumar, Shilpi Soni and Dinesh Kumar Singh545

An S-band metamaterial based high power backward-wave oscillator
Sweta Kumari, Pradip Kumar Jain and Manpuran Mahto553

Sensitivity analysis of a double corrugated waveguide slow wave structure for a 151 – 161.5 GHz TWT*
Jeevan M Rao, Rupa Basu, Rosa Letizia, and Claudio Paoloni 559

Design and development of a sheet-beam electron gun with large current for a THz traveling-wave tube
Xuyuan Chen, Lin Xu, Xiao Sun, Shengkun Jiang, Yasong Fan, Guang Yang, Zhifang Lyu,
Tao Tang, and Zhaoyun Duan573

Development of liquid stub tuner and liquid phase shifter for antenna-plasma impedance matching for high power RF experiments
Raj Singh, Vishant Gahlaut, Joydeep Ghosh, Varun, Mumtaz A Ansari, Amardas Alli and P K Atrey583

Quasi-TEM analysis of coupled meander-line slow-wave structures for millimeter-wave traveling-wave tubes
Murugan Sumathy and Subrata Kumar Datta593

Design and experimental evaluation of variable pulse-width Marx generator
U Shanmuganathan, Saket Khandekar, Sree Lakshmi P V, Sameera Shaik, Manik Kumar Das, and S Senthilkumar601

Analysis and characterization of an octave-bandwidth twin-folded-waveguide slow-wave structure
M Sumathy and Subrata Kumar Datta607

A review on high voltage subsystems for satellite applications: Design criticalities
Christopher Parmar, Vasantray Jani, Rajendra Singh, Shilpi Soni, and Dinesh Kumar Singh615

Large volume plasma device-upgrade: A versatile plasma system for electron emitter, beam and wave based diagnostics
A K Sanyasi, P K Srivastava, Ayan Adhikari, L M Awasthi and R Sugandhi627

Design, development and qualification of permanent magnet based focusing lens for X-band relativistic backward wave oscillator
Mahima, Janvin Itteera, Kumud Singh, Sanjay Malhotra, R R Singh, and Rajesh B Chimurkar639

DC and RF breakdown analysis of a helix TWT
Ramagiri Santhosh Kumar, Ambrish Ghadiya, Shilpi Soni, and Dinesh Kumar Singh649

RF behavior of a second harmonic photonic band gap cavity gyrotron oscillator
Ashutosh Singh, Sandeep Kumar Prasad, Sunil Kumar Mishra, Rajnikant Ratnakar,
Anshu Arya, and Pradip K Jain659

Development of an X-band microwave power module for airborne radar
K Mirjith, Tapas Ranjan Swain, Talur Chanakya, Raja Ramana Rao, U V Chandramouli,
Md Rezaul Karim, Jyotirmoy Koner, S Senthil Kumar, P Sidharthan and Subrata Kumar Datta671

Pedagogical Review of the Derivation of Space-Charge Limiting Current of an
Electron Beam in a Metal Drift Tube
B N Basu681