A Uniform, Pulsed Magnetic Field Coil for Gigawatt Operation of Relativistic Backward-Wave Oscillator

被引：7

作者：

Chandra, Romesh ^{[1
,2
]}

Sharma, Vishnu ^{[2
]}

Kalyanasundaram, S. ^{[2
]}

Singh, Sandeep ^{[1
,2
]}

Roy, Amitava ^{[1
,2
]}

Mondal, Jayanta ^{[2
]}

Mitra, Sabyasachi ^{[1
,2
]}

Patel, Ankur ^{[2
]}

Biswas, Debabrata ^{[1
,3
]}

Sharma, Archana ^{[1
,2
]}

机构：

[1] Homi Bhabha Natl Inst, Bombay 400094, Maharashtra, India

[2] Bhabha Atom Res Ctr, Accelerator & Pulse Power Div, Bombay 400085, Maharashtra, India

[3] Bhabha Atom Res Ctr, Math Phys & Reactor Theory Sect, Bombay 400085, Maharashtra, India

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2018年 / 46卷 / 08期

关键词：

Backward-wave oscillator; electromagnets; pulse power systems; slow-wave structure (SWS);

D O I：

10.1109/TPS.2018.2850353

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Guiding magnetic field plays a very important role in the efficient operation of the relativistic backward-wave oscillator (RBWO). Generally, magnetic fields are made using solenoid coils extended behind the cathode region to get the desired magnetic field in the beam-microwave interaction region. Large diameter anodes are required to generate a required electron beam with low radial velocity. This paper presents a pulsed solenoid coil design in which the uniform magnetic field extends just up to the cathode and requires a much lesser volume in which the coil has to be kept and has a lower number of turns. This magnetic field coil setup has been tested for 18-A dc coil current to measure the magnetic field profile. A uniformity of 93.5% is achieved within 460 mm length. This coil setup was further tested with an RBWO setup at 550 kV, 7-kA electron beam parameters to generate 1-GW peak microwave power using a 0.55-T magnetic field at 3.28 GHz.

引用

页码：2834 / 2839

页数：6

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