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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 30 — Oct. 20, 1998
  • pp: 7112–7115

Raman frequency shifting in a CH4:H2:Ar mixture pumped by the fourth harmonic of a Nd:YAG laser

Valentin Simeonov, Valentin Mitev, Hubert van den Bergh, and Bertrand Calpini  »View Author Affiliations


Applied Optics, Vol. 37, Issue 30, pp. 7112-7115 (1998)
http://dx.doi.org/10.1364/AO.37.007112


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Abstract

Mixtures of methane, hydrogen, and argon (CH4:H2:Ar) were studied as UV Raman shifters for ozone differential absorption lidar application. They have higher photochemical stability than pure CH4 and the capability to produce, with high enough efficiency, either first CH4 Stokes or, simultaneously, CH4 and H2 first Stokes with equal energies. These mixtures can be used as an inexpensive replacement for D2 or a more stable substitute for pure CH4 in single-pass high-power Raman shifters.

© 1998 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4950) Atmospheric and oceanic optics : Ozone
(010.7030) Atmospheric and oceanic optics : Troposphere
(140.3550) Lasers and laser optics : Lasers, Raman
(190.5650) Nonlinear optics : Raman effect
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

History
Original Manuscript: February 6, 1998
Revised Manuscript: July 9, 1998
Published: October 20, 1998

Citation
Valentin Simeonov, Valentin Mitev, Hubert van den Bergh, and Bertrand Calpini, "Raman frequency shifting in a CH4:H2:Ar mixture pumped by the fourth harmonic of a Nd:YAG laser," Appl. Opt. 37, 7112-7115 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-30-7112


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References

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