Polarization spectroscopy of an excited state transition

被引：57
作者：
Carr, Christopher [1 ]
Adams, Charles S. [1 ]
Weatherill, Kevin J. [1 ]
机构：
[1] Univ Durham, Dept Phys, Durham DH1 3LE, England
来源：
OPTICS LETTERS | 2012年 / 37卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
FREQUENCY LOCKING; LASER; RUBIDIUM; NM;
D O I：
10.1364/OL.37.000118
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 6P(3/2) -> 7(S1/2) 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. (C) 2012 Optical Society of America
引用
收藏
页码：118 / 120
页数：3
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