Streamer propagation model for high-gain photoconductive switching

Daniel W. Bailey; Roger A. Dougal; Jerry L. Hudgins

doi:10.1117/12.146543

9 June 1993 Streamer propagation model for high-gain photoconductive switching

Daniel W. Bailey, Roger A. Dougal, Jerry L. Hudgins

Proceedings Volume 1873, Optically Activated Switching III; (1993) https://doi.org/10.1117/12.146543
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A streamer model for high gain photoconductive switching in GaAs is proposed and described. The electric field associated with the streamer is strongly inhomogeneous, having a peak intensity at the streamer tip several times larger than the average applied field. Such a large field incites impact ionization effectively, allowing the streamer to propagate at speeds well in excess of the saturated drift velocity. This model is consistent with all observations of high gain photoconductive switching, including transient measurements.

Citation Download Citation

Daniel W. Bailey, Roger A. Dougal, and Jerry L. Hudgins "Streamer propagation model for high-gain photoconductive switching", Proc. SPIE 1873, Optically Activated Switching III, (9 June 1993); https://doi.org/10.1117/12.146543

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