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Optics Letters

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  • Vol. 17, Iss. 1 — Jan. 1, 1992
  • pp: 76–78

High-resolution degenerate four-wave mixing spectral profiles of OH

Michael S. Brown, Larry A. Rahn, and Thomas Dreier  »View Author Affiliations


Optics Letters, Vol. 17, Issue 1, pp. 76-78 (1992)
http://dx.doi.org/10.1364/OL.17.000076


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Abstract

High-resolution degenerate four-wave mixing spectra of the R1(9) A2Σ+X2Π(0,0) transition of OH have been measured in a hydrogen/oxygen flame at atmospheric pressure where the Doppler and homogeneous linewidths are of comparable magnitude. The observed sub-Lorentzian Doppler-free line profile is fit well by existing perturbative models by using homogeneous broadening consistent with two-photon absorption measurements. Power broadening of the spectral profile with increasing pump-beam intensity was observed and is compared with predictions from a nonperturbative two-level model.

© 1992 Optical Society of America

History
Original Manuscript: August 30, 1991
Published: January 1, 1992

Citation
Michael S. Brown, Thomas Dreier, and Larry A. Rahn, "High-resolution degenerate four-wave mixing spectral profiles of OH," Opt. Lett. 17, 76-78 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-1-76

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