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Polarization spectroscopy of an excited state transition

Carr, C; Adams, C.S.; Weatherill, K.J.

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C Carr


We demonstrate polarization spectroscopy of an excited state transition in room-temperature cesium vapor. An anisotropy induced by a circularly polarized pump beam on the D2 transition is observed using a weak probe on the 6P3/2→7S1/2 transition. At high pump power, a subfeature due to Autler-Townes splitting is observed that theoretical modeling shows is enhanced by Doppler averaging. Polarization spectroscopy provides a simple modulation–free signal suitable for laser frequency stabilization to excited state transitions.


Carr, C., Adams, C., & Weatherill, K. (2012). Polarization spectroscopy of an excited state transition. Optics Letters, 37(1), 118-120.

Journal Article Type Article
Publication Date Jan 1, 2012
Deposit Date Jan 27, 2012
Publicly Available Date Feb 23, 2012
Journal Optics Letters
Print ISSN 0146-9592
Electronic ISSN 1539-4794
Publisher Optica
Peer Reviewed Peer Reviewed
Volume 37
Issue 1
Pages 118-120


Published Journal Article (289 Kb)

Copyright Statement
© 2009 The Optical Society. This paper was published in Optics letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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