Published November 1, 1998
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Journal Article
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Spatial and temporal filtering of a 10-W Nd:YAG laser with a Fabry-Perot ring-cavity premode cleaner
Abstract
We report on the use of a fixed-spacer Fabry–Perot ring cavity to filter spatially and temporally a 10-W laser-diode-pumped Nd:YAG master-oscillator power amplifier. The spatial filtering leads to a 7.6-W TEMinfinity beam with 0.1% higher-order transverse mode content. The temporal filtering reduces the relative power fluctuations at 10 MHz to 2.8 x 10^-/sqrtHz, which is 1 dB above the shot-noise limit for 50 mA of detected photocurrent.
Additional Information
© 1998 Optical Society of America Received June 29, 1998 We thank David Shoemaker and Stan Whitcomb for proposing the use of a premode cleaner as a passive power noise filter and for suggesting this collaborative research. B. Willke thanks the German Alexander von Humboldt-Stiftung for his Feodor-Lynen fellowship. This research is supported in part by the National Science Foundation (NSF) under cooperative agreement PHY-9210038 and NSF grant PHY-9630172.Files
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