High-power/high-pulse repetition frequency (PRF) pulse generation using a laser-diode-activated photoconductive GaAs switch

A. H. Kim; Robert J. Zeto; Robert J. Youmans; Christine A. Kondek; Maurice Weiner; Bogoliub Lalevic

doi:10.1117/12.25051

1 March 1991 High-power/high-pulse repetition frequency (PRF) pulse generation using a laser-diode-activated photoconductive GaAs switch

A. H. Kim, Robert J. Zeto, Robert J. Youmans, Christine A. Kondek, Maurice Weiner, Bogoliub Lalevic

Author Affiliations +

Proceedings Volume 1378, Optically Activated Switching; (1991) https://doi.org/10.1117/12.25051
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States

Abstract

The generation of subnanosecond risetime pulses with 2 MW peak power at 1 kHz PRF has been achieved by triggering a hybrid pulser with a laser diode array. The hybrid pulser combines an optical switch centered in a metallized teflon disk that serves as an energy storage medium as well as a radial transmission line. Nearly 90 ofthebias voltage (10 kV) was delivered to a 50 ohm load impedance as a result of the variation of impedance of the radial line. Avalanche switching yielded 4 nano seconds pulses with a risetime of less than 500 picoseconds. _

Citation Download Citation

A. H. Kim, Robert J. Zeto, Robert J. Youmans, Christine A. Kondek, Maurice Weiner, and Bogoliub Lalevic "High-power/high-pulse repetition frequency (PRF) pulse generation using a laser-diode-activated photoconductive GaAs switch", Proc. SPIE 1378, Optically Activated Switching, (1 March 1991); https://doi.org/10.1117/12.25051

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