US Patent 7701987 Apparatus and method for generating chirp-slice controlled-linewidth laser-seed signals

Patent 7701987 was granted and assigned to Lockheed Martin on April, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Lockheed Martin

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77019870

Patent Inventor Names

Matthias P. Savage-Leuchs0

Eric C. Honea0

Date of Patent

April 20, 2010

Patent Application Number

116230580

Date Filed

January 12, 2007

Patent Primary Examiner

‌

Armando Rodriguez

Patent 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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