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Proceedings Paper

Fast overcurrent protection system in the cw laser diode driver
Author(s): Andrzej Odon; Zdzislaw Stryla
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Paper Abstract

This paper presents an electronic circuit which can be used as a very fast electronic 'fuse' in laser diode drivers. The main causes of damage of laser diodes are either unexpected electrical transients or catastrophic facet damage occurring at optical power density exceeding 106 W/cm2. Both can be induced by electromagnetic interference in typical drivers with automatic power control. Presented scheme has a reaction time about 2 microsecond(s) , which reduces the possibility of over driving the laser diode.

Paper Details

Date Published: 4 October 2000
PDF: 3 pages
Proc. SPIE 4237, Laser Technology VI: Progress in Lasers, (4 October 2000); doi: 10.1117/12.402865
Show Author Affiliations
Andrzej Odon, Poznan Univ. of Technology (Poland)
Zdzislaw Stryla, Adam Mickiewicz Univ. (Poland)


Published in SPIE Proceedings Vol. 4237:
Laser Technology VI: Progress in Lasers
Wieslaw L. Wolinski; Zdzislaw Jankiewicz, Editor(s)

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