26 January 2005 Generation of steady and jitter-free sub-nanosecond electrical pulses with GaAs photoconductive switches
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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.
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Wei Shi, Wei Shi, Mengxia Li, Mengxia Li, Xuegang Xu, Xuegang Xu, Ming Xu, Ming Xu, Lei Hou, Lei Hou, Huiying Dai, Huiying Dai, } "Generation of steady and jitter-free sub-nanosecond electrical pulses with GaAs photoconductive switches", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.577818; https://doi.org/10.1117/12.577818
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