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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2645–2648

Polarization spectroscopy of a velocity-selected molecular sample

James Kirkbride, Andrew R. Dalton, and Grant A. D. Ritchie  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2645-2648 (2014)
http://dx.doi.org/10.1364/OL.39.002645


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Abstract

This Letter demonstrates polarization spectroscopy of a velocity selected and vibrationally excited molecular sample. Specifically, the anisotropy induced by a circularly polarized IR pump beam tuned to the R(14.5)1/2v=1v=0 transition of nitric oxide is observed using an IR probe resonant with the R(15.5)1/2v=2v=1 hot band transition. Using two detectors in combination with the rapidly swept probe allows both the absorptive and dispersive components of the excited state polarization to be observed for the first time. The data are well described by simulations based upon a three-level density matrix model.

© 2014 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(300.1030) Spectroscopy : Absorption
(300.6240) Spectroscopy : Spectroscopy, coherent transient
(300.6340) Spectroscopy : Spectroscopy, infrared
(300.6360) Spectroscopy : Spectroscopy, laser
(300.6420) Spectroscopy : Spectroscopy, nonlinear

ToC Category:
Spectroscopy

History
Original Manuscript: February 28, 2014
Revised Manuscript: March 28, 2014
Manuscript Accepted: March 28, 2014
Published: April 22, 2014

Citation
James Kirkbride, Andrew R. Dalton, and Grant A. D. Ritchie, "Polarization spectroscopy of a velocity-selected molecular sample," Opt. Lett. 39, 2645-2648 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2645


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