Application of nonlinear transmission line in DSRD pulse generator

Shi Xiaolei; Chen Jinhui; Wang Guanwen; Wang Lei; Liu Peng

doi:10.11884/HPLPB202335.230068

Volume 35 Issue 10

Oct. 2023

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Shi Xiaolei, Chen Jinhui, Wang Guanwen, et al. Application of nonlinear transmission line in DSRD pulse generator[J]. High Power Laser and Particle Beams, 2023, 35: 105002. doi: 10.11884/HPLPB202335.230068

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Application of nonlinear transmission line in DSRD pulse generator

doi: 10.11884/HPLPB202335.230068

1.
Accelerator Division, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2023-03-31
Accepted Date: 2023-06-02
Rev Recd Date: 2023-07-20

Available Online: 2023-07-28

Publish Date: 2023-10-08

Abstract

Abstract

There is an increasingly higher requirement on the pulse source of kicker in the injection and extraction system with the development of accelerators. As a special nanosecond switch, Drift Step Recovery Diode (DSRD) has a great application prospect in pulse power technology for its notably short switching-off time and large working current. However, there are some factors such as pre-pulse that make the pulse waveform deviate from the ideal shape. A prototype of pulse generator was designed and tested. It is based on a basic DSRD circuit, at the same time, the Non-Linear Transmission Line (NTL) is used to shape the pulse, compress the edge and reduce the residual voltage. Its circuit experiment shows that the pulse amplitude on resistor load of 50 Ω is about 10 kV, the rise time and fall time are about 2 ns (10%−90%) and the bottom width (3%−3%) is less than 8 ns.
- strip-line kicker,
- nano-second pulser,
- DSRD,
- non-linear transmission line

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