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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 6 — Feb. 20, 2000
  • pp: 1049–1052

Low-frequency wavelength modulation spectroscopy with D 2 transition of atomic cesium by use of an external-cavity diode laser

Liantuan Xiao, Changyong Li, Qian Li, Suotang Jia, and Guosheng Zhou  »View Author Affiliations


Applied Optics, Vol. 39, Issue 6, pp. 1049-1052 (2000)
http://dx.doi.org/10.1364/AO.39.001049


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Abstract

Low-frequency wavelength modulation spectroscopy is acquired with an external-cavity diode laser. The wavelength modulation is achieved with voltage tuning by means of scanning with the piezoelectric stepper motor, which rotates the end mirror in the laser cavity. With optimum 1-kHz frequency modulation and harmonic detection, direct absorption experiments for the 6S1/2(F = 4) → 6P3/2 transition of the cesium D2 line were carried out. We found that 6f-harmonic detection is best here with a signal-to-noise voltage ratio of 460.

© 2000 Optical Society of America

OCIS Codes
(300.1030) Spectroscopy : Absorption
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(300.6380) Spectroscopy : Spectroscopy, modulation

History
Original Manuscript: July 6, 1999
Revised Manuscript: November 2, 1999
Published: February 20, 2000

Citation
Liantuan Xiao, Changyong Li, Qian Li, Suotang Jia, and Guosheng Zhou, "Low-frequency wavelength modulation spectroscopy with D2 transition of atomic cesium by use of an external-cavity diode laser," Appl. Opt. 39, 1049-1052 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-6-1049

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