Referencing of the beating spectra of frequency combs
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United States of America Patent
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Jan 7, 2014
Grant Date -
Oct 31, 2013
app pub date -
May 31, 2013
filing date -
Jun 26, 2007
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Abstract
There is provided a method for referencing and correcting the beating spectrum generated by the interference of the components of a frequency comb source. The proposed method allows monitoring of variations of a mapping between the source and the beating replica. This can then be used to compensate small variations of the source in Fourier transform spectroscopy or in any other interferometry application in order to overcome the accuracy and measurement time limitations of the prior art. Constraints on source stability are consequently reduced.
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