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Polarization spectroscopy of an excited state transition.

Carr, Christopher and Adams, Charles S. and Weatherill, Kevin J. (2012) 'Polarization spectroscopy of an excited state transition.', Optics letters., 37 (1). pp. 118-120.


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.

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Publisher 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.
Record Created:22 Feb 2012 12:20
Last Modified:24 Feb 2012 11:52

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