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Proceedings Paper

Streamer propagation model for high-gain photoconductive switching
Author(s): Daniel W. Bailey; Roger A. Dougal; Jerry L. Hudgins
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Paper 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.

Paper Details

Date Published: 9 June 1993
PDF: 7 pages
Proc. SPIE 1873, Optically Activated Switching III, (9 June 1993); doi: 10.1117/12.146543
Show Author Affiliations
Daniel W. Bailey, Univ. of South Carolina (United States)
Roger A. Dougal, Univ. of South Carolina (United States)
Jerry L. Hudgins, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 1873:
Optically Activated Switching III
R. Aaron Falk, Editor(s)

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