Conduction characteristics of photoconductive semiconductor switches based on high power laser diodes

Wei, 王卫 Wang; Jianjun, 邓建军 Deng; Liansheng, 夏连胜 Xia; Yi, 谌怡 Chen; Yi, 刘毅 Liu

doi:10.3788/hplpb20142604.45102

Cited by 5 publications

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“…After an inherence delay, the framing camera turns on its gate and begins to photograph. The image of the pulse electron beam falls into the gated duration of the camera by delay time [10,11].…”

Section: Methodsmentioning

confidence: 99%

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Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

Wang¹,

Jiang²,

Gao³

et al. 2015

Chinese Phys. C

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We recently set up a time-resolved optical beam diagnostic system. Using this system, we measured the high current electron beam energy in the accelerator under construction. This paper introduces the principle of the diagnostic system, describes the setup, and shows the results. A bending beam line was designed using an existing magnetic analyzer with a 300 mm-bending radius and a 60° bending angle at hard-edge approximation. Calculations show that the magnitude of the beam energy is about 18 MeV, and the energy spread is within 2%. Our results agree well with the initial estimates deduced from the diode voltage approach.

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Section: Methodsmentioning

confidence: 99%

“…According to the relationship between momentum and energy, we know that the energy spectrum is ε=ΔE/E=Δp/p=v r , (11) so Eq. ( 8) can be rewritten as…”

Section: The Image Expansionmentioning

confidence: 99%

Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

Wang¹,

Jiang²,

Gao³

et al. 2015

Chinese Phys. C

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Investigation of high-voltage pulse trigger generator based on photo-conductive semiconductor switch

et al. 2018

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The trigger to generate high-voltage pulse is one of the most important parts in a pulsed-power system, especially for the conduction characteristics of the main switch. However, traditional triggers usually have the drawbacks of large structure and worse long-term working stability, which goes against the demands of pulsed-power system miniaturization and stability. In the paper, a pulse trigger using photo-conductive semiconductor switch was developed, which is of small size, stable performance and steep leading edge of the output pulse rise. It is found that the output trigger pulse rise time is 14 ns, and the jitter of 20 shots is 330 ps. Applying the designed pulsed trigger in a field distortion switch and a triggered vacuum switch, experiments show that the switches could be triggered stably with reduced jitter.

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Overview of pulsed power researches at CAEP

Deng¹,

Shi²,

Xie³

et al. 2014

2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) Held With 2014 IEEE International Conference on High-Power P

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Conduction characteristics of photoconductive semiconductor switches based on high power laser diodes

Cited by 5 publications

References 0 publications

Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

Time-resolved energy spectrum measurement of a linear induction accelerator with the magnetic analyzer

Investigation of high-voltage pulse trigger generator based on photo-conductive semiconductor switch

Overview of pulsed power researches at CAEP

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