METHOD AND DEVICE FOR STABILIZING THE SPECTRUM OF A PULSED COHERENT OPTICAL SOURCE
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Feb 20, 2009
filing date -
Feb 22, 2008
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Abandoned
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Abstract
The invention relates to a method for stabilizing the spectrum of a pulsed coherent optical source that comprises controlling the offset frequency ω0 and the repetition rate ωr in order to stabilize the frequencies of the comb lines constituting the optical spectrum thereof. The method comprises forming, from the pulsed coherent optical source (S1), a beam that is directed onto a reference resonant optical cavity (CR), and using the signal generated by the reference resonant optical cavity (CR) for controlling the offset frequency ωo or the repetition rate ωr, and probing, using a comb line, an atomic or molecular transition (AMT) in order to generate a driving signal for the repetition rate ωr or the offset frequency ω0.
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