Laser-frequency stabilization using mode interference from a reflecting reference interferometer

We present a new method for locking the frequency of a laser to a reference-interferometer cavity. For a nonmode-matched input beam, the light reflected off a cavity contains an interference between the wave fronts corresponding to the various cavity modes. A detector placed at the proper position o...

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Bibliographic Details
Published in:Optics letters 1982-10, Vol.7 (10), p.480-482
Main Authors: Wieman, C E, Gilbert, S L
Format: Article
Language:English
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Summary:We present a new method for locking the frequency of a laser to a reference-interferometer cavity. For a nonmode-matched input beam, the light reflected off a cavity contains an interference between the wave fronts corresponding to the various cavity modes. A detector placed at the proper position on the interference pattern provides a signal proportional to the imaginary component of the reflected field. As a function of laser frequency, this signal is dispersion shaped and can be used as the error signal for electronic frequency stabilization.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.7.000480