Abstract
Using an rf analog of Pound's microwave frequency stabilizer, we have previously shown that sufficient speed and SNR are available to suppress by servo action the high-frequency noise of dye and argon lasers. However, achieving laser phase stability in the time domain of ~ 1 s and longer requires careful attention to offsets, spurious AM produced by the modulation process, and above all to the reduction of optical feedback effects. Present experiments are intended to diagnose accuracy limitations by locking two separate lasers to nearby orders of a single high-finesse Fabry-Perot reference interferometer.
© 1986 Optical Society of America
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