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Proceedings Paper

Low-frequency wavelength modulation spectroscopy using an external-cavity diode laser
Author(s): Liantuan Xiao; Chang-yong Li; Qian Li; Suotang Jia; Guosheng Zhou
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Paper Abstract

A low-frequency wavelength modulation spectroscopy is acquired with a Harvey-Myatt external-cavity diode laser. The wavelength modulation is achieved using the voltage tuning by scanning the piezoelectric stepper motor with rotating of the end mirror in the laser cavity. With optimum modulation frequency 1-kHz and harmonic detection direct absorption experiments with cesium D2 line were carried out. We find that 6f-harmonic detection is best here with the signal-to-noise voltage ratio being 460.

Paper Details

Date Published: 8 September 1999
PDF: 4 pages
Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); doi: 10.1117/12.361165
Show Author Affiliations
Liantuan Xiao, Shanxi Univ. (China)
Chang-yong Li, Shanxi Univ. (China)
Qian Li, Shanxi Univ. (China)
Suotang Jia, Shanxi Univ. (China)
Guosheng Zhou, Shanxi Univ. (China)


Published in SPIE Proceedings Vol. 3862:
1999 International Conference on Industrial Lasers

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