Simultaneous improvement of short- and long-term frequency stability of a diode laser

Utako Tanaka; Tsutomu Yabuzaki

doi:10.1117/12.143661

30 April 1993 Simultaneous improvement of short- and long-term frequency stability of a diode laser

Utako Tanaka, Tsutomu Yabuzaki

Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143661
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

The long- and short-term frequency stability of a diode laser is simultaneously improved by using an external cavity whose resonance frequency is locked to the center of a Doppler-free spectrum of the ⁸⁵Rb-D₂ line without laser frequency modulation. The obtained linewidth of the diode lasers is less than 100 kHz and the long-term stability in terms of the square root of the Allan variance (sigma) monotonously decreases from 2 X 10^-12 to 2 X 10^-14 as the averaging time (tau) increases from 100 ms to 100 s.

Citation Download Citation

Utako Tanaka and Tsutomu Yabuzaki "Simultaneous improvement of short- and long-term frequency stability of a diode laser", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143661

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