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Proceedings Paper

Diamond Switches And Blumlein Pulse Generators For Kilovolt Optoelectronics
Author(s): P. T. Ho; C. S. Chang; M. J. Rhee; Chi H. Lee; J. C. Stephenson; R.. R. Cavanagh
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Paper Abstract

Two experiments are reported in this paper. In the first experiment we have succeeded in using natural diamond as a photoconductor excited by picosecond laser pulses to switch high voltage with 80% efficiency. The conductivity was found to be sub-linear in input light intensity, and the carrier life-time deduced to be about 1 nanosecond. In the second experiment a Blumlein pulse generator with an ultrafast opto-electronic switch is reported. The Blumlein pulse generator possesses the potentiality of yielding a pulse amplitude which can be equal to the charging voltage in an ideal case. The opto-electronic switch was fabricated from high resistivity silicon with annular aluminum electrodes. With a pulsed bias voltage of 1100 volts, the switched-out amplitude is about 900 volts, greater than the maximum voltage attainable from a standard charge line pulser generator.

Paper Details

Date Published: 28 November 1983
PDF: 6 pages
Proc. SPIE 0439, Picosecond Optoelectronics, (28 November 1983); doi: 10.1117/12.966079
Show Author Affiliations
P. T. Ho, University of Maryland (United States)
C. S. Chang, University of Maryland (United States)
M. J. Rhee, University of Maryland (United States)
Chi H. Lee, University of Maryland (United States)
J. C. Stephenson, National Bureau of Standards (United States)
R.. R. Cavanagh, National Bureau of Standards (United States)

Published in SPIE Proceedings Vol. 0439:
Picosecond Optoelectronics
Gerard A. Mourou, Editor(s)

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