Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Crittenden0
Andrei Starodoumov0
Date of Patent
October 30, 2007
0Patent Application Number
114978250
Date Filed
August 2, 2006
0Patent Primary Examiner
Patent abstract
Several examples of double-pass fiber amplifiers including a polarization maintaining (PM) gain-fiber are disclosed. In each example, input and twice-amplified output are separated by an all-fiber, polarization-maintaining polarization splitter combiner. The examples include double-pass fiber amplifiers not including any bulk components and double pass fiber amplifiers including a bulk component or a Faraday rotating mirror located in a position in the amplifier wherein the component is exposed only to radiation amplified on the first pass through the gain-fiber.
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