Amplitude noise reduction for optically pumped modelocked lasers
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United States of America Patent
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Aug 20, 1991
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N/A
app pub date -
Mar 30, 1990
filing date -
Mar 30, 1990
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Expired
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Abstract
Amplitude noise is dramatically reduced in an optically pumped modelocked laser arrangement by incorporating an intra-cavity or external cavity mode selection element with a continuous-wave pump laser coupled optically to a modelocked laser. The mode selection element causes a light beam generated from the pump laser to operate nominally at a single frequency, that is, substantially a single longitudinal mode. Mode selection may be realized with an air-spaced or solid material Fabry-Perot etalon.
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