Electrically tunable fiber ring laser
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United States of America Patent
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Jul 21, 1992
Grant Date -
N/A
app pub date -
May 28, 1991
filing date -
May 28, 1991
priority date (Note) -
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Importance
Abstract
A compact all-fiber, electrically tunable ring laser includes a diodepumped erbium-doped fiber amplifier. The frequency of the laser is tuned by a fiber Fabry-Perot(FFP) etalon that is electrically tuned. An in-line optical isolator is used in conjunction with the FFP to eliminate undesired reflections. A second FFP with a narrow free spectral range (FSR) can be used in conjunction with a first FFP with a wide FSR.
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