Initial design of a low-impendence large-area-bremsstrahlung diode coupled with coaxial MITL

Zhong Tiancheng; Chen Lin; Guo Fan; Zou Wenkang; Wang Meng; Xie Weiping

doi:10.11884/HPLPB201729.170004

Volume 29 Issue 06

Apr. 2017

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Zhong Tiancheng, Chen Lin, Guo Fan, et al. Initial design of a low-impendence large-area-bremsstrahlung diode coupled with coaxial MITL[J]. High Power Laser and Particle Beams, 2017, 29: 065002. doi: 10.11884/HPLPB201729.170004

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Initial design of a low-impendence large-area-bremsstrahlung diode coupled with coaxial MITL

doi: 10.11884/HPLPB201729.170004

1.
Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621999,China

Received Date: 2017-01-05
Rev Recd Date: 2017-02-25
Publish Date: 2017-06-15

Abstract

Abstract

A novel diode was designed to produce large-area X-ray and the electrons utilized were mainly from the upstream conical Magnetically Insulated Transmission Line (MITL). The diode is characterized by the use of large angle incident electrons to produce bremsstrahlung radiation. The diode was simulated and analyzed by a combination of two-dimensional Particle-In-Cell (PIC) and MCNP 4C software, and a uniform X-ray area could be found at the downstream of the diode. This paper presents a new idea on how to set the MCNP source better to reflect the angular uniformity. The relationship between three important parameters of the diode and the electrons transportation character are studied. The results show a uniform X-ray field could be obtained using this diode without additional electron transport control structure.
- X-ray source,
- large-area-bremsstrahlung diode,
- PIC simulation,
- Monte Carlo

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