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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 20 — Jul. 10, 2012
  • pp: 4660–4666

Intracavity absorption spectroscopy with a tunable multimode traveling-wave ring Ti:sapphire laser

Tomoyuki Ueda, Naoya Kato, Akira Takemura, Hiroyuki Koishi, and Atsuo Morinaga  »View Author Affiliations


Applied Optics, Vol. 51, Issue 20, pp. 4660-4666 (2012)
http://dx.doi.org/10.1364/AO.51.004660


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Abstract

A tunable multimode unidirectional traveling-wave Ti:sapphire laser was developed to measure in situ the atmospheric absorption spectra using intracavity absorption spectroscopy. The effective absorption path length was 2100 km. O2 and H2O vapor lines in atmosphere with absorption coefficients of 106108cm1 were measured with uncertainties <5%, and the absorption coefficients were in agreement with those estimated from the HITRAN database. By tuning the wavelength, a weak absorption line with an absorption coefficient of 109cm1 was measured with a sensitivity of 2×1010cm1. The sensitivity was limited by the residual parasitic variation that appeared in the spectrum.

© 2012 Optical Society of America

OCIS Codes
(140.3560) Lasers and laser optics : Lasers, ring
(140.3590) Lasers and laser optics : Lasers, titanium
(010.1030) Atmospheric and oceanic optics : Absorption

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 23, 2012
Revised Manuscript: April 19, 2012
Manuscript Accepted: May 15, 2012
Published: July 3, 2012

Citation
Tomoyuki Ueda, Naoya Kato, Akira Takemura, Hiroyuki Koishi, and Atsuo Morinaga, "Intracavity absorption spectroscopy with a tunable multimode traveling-wave ring Ti:sapphire laser," Appl. Opt. 51, 4660-4666 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-20-4660

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