Fiber-Optically Triggered Four Parallel GaAs Photoconductive Semiconductor Switches

SHI Wei; XUE Hong; LI Ning; CHEN Suguo; DAI Ruijuan

Plasma Science and Technology > 2011 > 13(6): 747-750.

SHI Wei, XUE Hong, LI Ning, CHEN Suguo, DAI Ruijuan. Fiber-Optically Triggered Four Parallel GaAs Photoconductive Semiconductor Switches[J]. Plasma Science and Technology, 2011, 13(6): 747-750.

Citation:

SHI Wei, XUE Hong, LI Ning, CHEN Suguo, DAI Ruijuan. Fiber-Optically Triggered Four Parallel GaAs Photoconductive Semiconductor Switches[J]. Plasma Science and Technology, 2011, 13(6): 747-750.

Citation:

SHI Wei, XUE Hong, LI Ning, CHEN Suguo, DAI Ruijuan. Fiber-Optically Triggered Four Parallel GaAs Photoconductive Semiconductor Switches[J]. Plasma Science and Technology, 2011, 13(6): 747-750.

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Fiber-Optically Triggered Four Parallel GaAs Photoconductive Semiconductor Switches

1 Applied Physics Department, Xi’an University of Technology, Xi’an Shaaxi 710048, China 2 State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China

Funds: supported by the Key Project of National Natural Science Foundation of China under Grant No 50837005, the National Science Foundation of China under Grant No.10876026, and the Foundation of the State Key Laboratory of Electrical Insulation for Power Equipment under Grant No.EIPE09203.

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Received Date: July 28, 2011

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Abstract

Abstract

Four parallel GaAs photoconductive semiconductor switches (PCSS) were triggered simultaneously by four 1064 nm laser beams. The transient characteristics of four linear electrical pulses were investigated. When the energy of four laser beams were 16.4 mJ, 15.6 mJ, 15.3 mJ, and 13.7 mJ, respectively, four stable electrical pulses of about 25 ns width and 10 ns rise time were obtained at the same bias voltage of 8 kV. The maximum switching voltage amplitude was 3.8 kV. With the triggering pulse energy and bias voltage kept constant, the three GaAs PCSS were triggered at 10 Hz laser pulse. The method of synchronization calculation was given, and the synchronization of four parallel GaAs PCSS was calculated to be 79 ps. The influence of bias voltage and laser energy on the voltage amplitude of electrical pulse was analyzed. Furthermore, relationship between the synchronization and the jitter time was also discussed.
- GaAs,
- PCSS,
- fiber,
- linear mode,
- electrical pulse,
- synchronization

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