Abstract

Stabilities of output power and frequency of monolithic semi-nonpianar ring lasers are investigated in experiment. Fluctuation in output power is less than +-0. 1 % with output power 1 .5W over a period of 3 hours. In free running, the root Allan variance of beat frequency between two monolithic lasers is lx 10-10 for averaging time is. Slow frequency drift is less than 10 MHz over a period of 1 hour.

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