TITLE

Temperature-insensitive laser frequency locking near absorption lines

AUTHOR(S)
Kostinski, Natalie; Olsen, Ben A.; Marsland, Robert; McGuyer, Bart H.; Happer, William
PUB. DATE
March 2011
SOURCE
Review of Scientific Instruments;Mar2011, Vol. 82 Issue 3, p033114
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Combined magnetically induced circular dichroism and Faraday rotation of an atomic vapor are used to develop a variant of the dichroic atomic vapor laser lock that eliminates lock sensitivity to temperature fluctuations of the cell. Operating conditions that eliminate first-order sensitivity to temperature fluctuations can be determined by low-frequency temperature modulation. This temperature-insensitive gyrotropic laser lock can be accurately understood with a simple model, that is in excellent agreement with observations in potassium vapor at laser frequencies in a 2 GHz range about the 770.1 nm absorption line. The methods can be readily adapted for other absorption lines.
ACCESSION #
59744470

 

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