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Proceedings Paper

Generation of steady and jitter-free sub-nanosecond electrical pulses with GaAs photoconductive switches
Author(s): Wei Shi; Mengxia Li; Xuegang Xu; Ming Xu; Lei Hou; Huiying Dai
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Paper Abstract

In this paper, experiments of a lateral semi-insulating GaAs photoconductive semiconductor switch triggered by nanosecond laser pulses were reported. The switches were insulated by solid multi-layer transparent dielectrics. Jitter-free electrical pulses with steady voltage amplitude from the 0.5 mm-gap GaAs switches were observed when biased with low voltage and triggered by serial laser pulses. Its change of amplitude was less than 1.2%, the triggered jitter-time was less than 10ps, and pulse width was up to sub-nanosecond. The effect of pulse energy change on the amplitude generated photoconductive semiconductor switch was analyzed. It was indicated that ultra-fast electrical pulse with steady voltage amplitude and pico-second triggered jitter-time can be obtained by controlling switch trigger condition and optimizing switch design.

Paper Details

Date Published: 26 January 2005
PDF: 8 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.577818
Show Author Affiliations
Wei Shi, Xi'an Univ. of Technology (China)
Mengxia Li, Xi'an Univ. of Technology (China)
Xuegang Xu, Xi'an Univ. of Technology (China)
Ming Xu, Xi'an Univ. of Technology (China)
Lei Hou, Xi'an Univ. of Technology (China)
Huiying Dai, Xi'an Univ. of Technology (China)


Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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