Method and device for controlling optical output of laser diode

Coherent light generators – Particular beam control device – Optical output stabilization

Reexamination Certificate

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C372S029020, C372S038020, C372S038070, C372S081000, C372S082000

Reexamination Certificate

active

07873085

ABSTRACT:
A method of controlling an optical output of a laser diode includes applying a bipolar current pulse to the laser diode, thereby substantially suppressing the emission tail of the optical output of the laser diode. A device for generating sub-nanosecond intense optical pulses includes a driver unit operative to generate a plurality of bipolar current pulses, and a semiconductor laser diode driven by the bipolar current pulses and operative to emit the intense optical pulses each of which has a substantially suppressed or completely eliminated emission tail.

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patent: 6560250 (2003-05-01), Uchida
patent: 7242262 (2007-07-01), Kawano
patent: 7426224 (2008-09-01), Ishibashi
patent: 2003/0002551 (2003-01-01), Kwon et al.
Uhring et al “A low cost high repetition rate picosecond laser diode pulse generator”, Proceedings of SPIE vol. 5424, p. 583-590, 2004.

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