Apparatus and method for temporally shaping drive current to...

Details Apparatus and method for temporally shaping drive current to... Apparatus and method for temporally shaping drive current to...

2007-01-12

2009-06-09

Nguyen, Dung T (Department: 2828)

Coherent light generators

Optical fiber laser

C372S031000, C372S070000

Reexamination Certificate

active

07545836

ABSTRACT:
Apparatus and method for generating controlled-linewidth laser-seed-signals for high-powered fiber-laser amplifier systems. In some embodiments, the natural chirp (frequency change of laser light over a short start-up time) of a DBR laser diode when driven by pulsed current is used to broaden the linewidth of the laser output, while adjusting the peak current and/or the pulse duration to obtain the desired linewidth.

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patent: 2008/0105664 (2008-05-01), Smart

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