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Pump-probe differencing technique for cavity-enhanced, noise-canceling saturation laser spectroscopy

de Vine, Glenn; McClelland, David E.; Close, John D.; Gray, Malcolm B.


We present an experimental technique enabling mechanical-noise free, cavity-enhanced frequency measurements of an atomic transition and its hyperfine structure. We employ the 532nm frequency doubled output from a Nd:YAG laser and an iodine vapour cell. The cell is placed in a traveling-wave Fabry-Perot interferometer (FPI) with counter-propagating pump and probe beams. The FPI is locked using the Pound-Drever-Hall (PDH) technique. Mechanical noise is rejected by differencing pump and...[Show more]

CollectionsANU Research Publications
Date published: 2004-11-10
Type: Journal article
Source: Optics Letters
DOI: 10.1364/OL.30.001219


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