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Proceedings Paper

Frequency stabilization of a semiconductor laser using the Rb saturated absorption spectroscopy
Author(s): Y. Ohta; S. Maehara; K. Hasebe; Y. Kurosaki; T. Sato; M. Ohkawa; T. Maruyama; T. Tsubokawa
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Paper Abstract

We report on the stabilization of a semiconductor laser's frequency, using Rb absorption lines. In order to improve overall frequency stability within our system, we adjusted the setup used in Rb- saturated absorption spectroscopy, and optimized modulation parameters such as modulation - frequency and -width, to more accurately detect the error signal. When we stabilized laser frequency using a Doppler-free absorption line of Rb atoms, a time-constant of 0.01sec, and a modulation frequency of 7.77kHz, relative optical frequency stability of 2.12×10-12≤σ(2,τ)≤5.88×10-11 was achieved, in averaging time for 0.04s≤τ≤65s.

Paper Details

Date Published: 28 February 2006
PDF: 10 pages
Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 61150P (28 February 2006); doi: 10.1117/12.645726
Show Author Affiliations
Y. Ohta, Niigata Univ. (Japan)
S. Maehara, Niigata Univ. (Japan)
K. Hasebe, Niigata Univ. (Japan)
Y. Kurosaki, Niigata Univ. (Japan)
T. Sato, Niigata Univ. (Japan)
M. Ohkawa, Niigata Univ. (Japan)
T. Maruyama, Niigata Univ. (Japan)
T. Tsubokawa, National Astronomical Observatory, Mizusawa Astrogeodynamics Observatory (Japan)


Published in SPIE Proceedings Vol. 6115:
Physics and Simulation of Optoelectronic Devices XIV
Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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