Uttam Kumar Goswami

Development and characterization of coaxial two-way switch for RF plasma discharge experiments

Raj Singh, Vishant Gahlaut, Vangalla Veera Babu, Uttam Kumar Goswami et autres

A developed high-performance 3−1/8″ coaxial two-way RF switch tailored for RF plasma discharge experiments including pre-ionization and start-up; wall conditioning and Ion Cyclotron Resonance Heating has been presented (Bora et al. in Nucl Fusion 46:572–584, 2006; Wilson and Bonoli, in Phys Plasmas …

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Investigation of Developed Liquid Stub Tuner for the Antenna Impedance Matching for High-Power RF Plasma Experiments

Raj Kishor Singh, Varun, Vishant Gahlaut, Joydeep Ghosh et autres

A 1–5/8” liquid stub tuner (LST) with effective impedance matching for ion cyclotron RF signal transmission is presented. The main objective is to maximize the power transmission from RF source to antenna for Steady-State Superconducting and Aditya Tokamaks. The design and characterization …

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Preliminary Experimental Studies of the Proposed High Power RF Antenna to assist Glow Discharge Cleaning of SST-1 at Low Pressure

M. A. Ansari, Uttam Kumar Goswami, Dharmendra Rathi, Yuvakiran Paravastu et autres

The wall conditioning system for Steady-state Superconducting tokamak (SST-1) with a high power RF antenna to assist the glow discharge cleaning (GDC) is developed to operate at the low pressure. The antenna is designed as per the SST-1 port space constraints and …

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Confinement of Washer-Gun Plasma and Tailoring of Location and Scale Length of Electron Density Gradient to Meet the Requisites of Microwave Plasma Interaction

V. P. Anitha, Priyavandana J. Rathod, A. D. Patel, Uttam Kumar Goswami et autres

Experimental investigations on interaction of High Power Microwave (3 MW, 3 GHz) with an over-dense (Plasma-frequency > Microwave-frequency) plasma has been initiated in SYMPLE (SYstem for Microwave PLasma Experiments) 1 , aiming at understanding electromagnetic wave absorption in plasma. The microwave power …

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Termination of Maggots from Green Plant by Developed Microwave Source

Jitendra Kumar, G. Veda Prakash, Subhanarayan Sahoo, Amol Deshpande et autres

In the present work termination of maggots from the night-blooming jasmine tree is carried out successfully by using the in-house developed microwave source. A commercially available magnetron is used to develop the Microwave-source for the generation of 1 kW microwave power at …

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Implementation of Line Type High Voltage Nanosecond Rectangular Pulse Generator with Adjustable Pulse Widths for Liquid Discharge Applications

Amol Deshpande, G. Veda Prakash, Uttam Kumar Goswami, Raj Singh et autres

Recent advances show the increasing demand for fast rise time pulse generators with variable high voltage and pulse durations with high repetition rate because of its wide range of applications. Considering the above, a simple, rugged and compact high voltage, nanosecond pulse …

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Development of Cooling System for Gyrotron Collector

Uttam Kumar Goswami, Udaybir Singh, Nitin Kumar, Naveen Kumar Sahu et autres

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