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Piezo-locking a diode laser with saturated absorption spectroscopy

Debs, J. E.; Robins, Nicholas; Lance, A.; Kruger, M. B.; Close, J. D.


We demonstrate modulation-based frequency locking of an external cavity diode laser, utilizing a piezo-electrically actuated mirror, external to the laser cavity, to create an error signal from saturated absorption spectroscopy. With this method, a laser stabilized to a rubidium hyperfine transition has a FWHM of 130 kHz over seconds, making the locked laser suitable for experiments in atomic physics, such as creating and manipulating Bose–Einstein condensates. This technique combines the...[Show more]

CollectionsANU Research Publications
Date published: 2008-10-01
Type: Journal article
Source: Applied Optics
DOI: 10.1364/AO.47.005163


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