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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2409–2411

Saturation spectroscopy of CO2 and frequency stabilization of an optical parametric oscillator at 2.77 μm

Hsuan-Chen Chen, Chung-Yun Hsiao, Wei-Jo Ting, Shou-Tai Lin, and Jow-Tsong Shy  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2409-2411 (2012)
http://dx.doi.org/10.1364/OL.37.002409


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Abstract

We report the frequency stabilization of a CW single-frequency, singly resonant optical parametric oscillator (OPO) to the saturation absorption center of the C1612O2[10°1,02°1]II00°0 P(14) line at 2.77 μm. The CO2 molecules were excited by the OPO idler wave, and the absorption signal was monitored through the fluorescence at 4.3 μm using a gold-coated longitudinal cell. The idler frequency was stabilized onto the line center by wavelength modulation method. The linewidth of the saturation dip was estimated to be 4.7 MHz, and the achieved frequency stability was 3.9 kHz (3.6×1011).

© 2012 Optical Society of America

OCIS Codes
(300.3700) Spectroscopy : Linewidth
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Spectroscopy

History
Original Manuscript: February 29, 2012
Revised Manuscript: April 20, 2012
Manuscript Accepted: April 20, 2012
Published: June 13, 2012

Citation
Hsuan-Chen Chen, Chung-Yun Hsiao, Wei-Jo Ting, Shou-Tai Lin, and Jow-Tsong Shy, "Saturation spectroscopy of CO2 and frequency stabilization of an optical parametric oscillator at 2.77 μm," Opt. Lett. 37, 2409-2411 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2409

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