Precisely wavelength-tunable and wavelength-switchable narrow linewidth lasers
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United States of America Patent
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May 27, 2003
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app pub date -
Nov 24, 1999
filing date -
Nov 25, 1998
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Abstract
Continuously tunable and precisely wavelength-switchable fiber lasers combine fiber Bragg gratings and the transmissive filtering properties of high finesse fiber Fabry-Perot filters. This laser arrangement adapts to multiple wavelength ranges based on the selections of fiber Bragg grating and gain medium and their arrangement to create a wavelength-modulatable and simultaneously rapidly wavelength-switchable narrow linewidth all-fiber laser design. This laser arrangement further results in narrow-linewidth outputs with fast switching speeds between the selected wavelengths.
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