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Optogalvanic Lamb-dip frequency stabilization of a sequence-band CO(2) laser
Optics Letters
|September 10, 2009
Abstract:
The Lamb dip at the center of sequence-band CO(2) laser transitions is detected optogalvanically by using a low-pressure N(2)-CO(2) discharge. The first derivative of this signal is used to frequency stabilize a sequence-band CO(2) laser to a stability of better than 2 x 10(-9).
