Piezo-locking a diode laser with saturated absorption spectroscopy

J. E. Debs; N. P. Robins; A. Lance; M. B. Kruger; J. D. Close

doi:10.1364/AO.47.005163

Piezo-locking a diode laser with saturated absorption spectroscopy

J. E. Debs, N. P. Robins, A. Lance, M. B. Kruger, J. D. Close

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

We demonstrate modulation-based frequency locking of an external cavity diode laser, utilizing a piezoelectrically 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 advantages of low-amplitude modulation, simplicity, performance, and price, factors that are usually considered to be mutually exclusive.

Original language	English
Pages (from-to)	5163-5166
Number of pages	4
Journal	Applied Optics
Volume	47
Issue number	28
DOIs	https://doi.org/10.1364/AO.47.005163
Publication status	Published - 1 Oct 2008
Externally published	Yes

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AU - Robins, N. P.

AU - Lance, A.

AU - Kruger, M. B.

AU - Close, J. D.

PY - 2008/10/1

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AB - We demonstrate modulation-based frequency locking of an external cavity diode laser, utilizing a piezoelectrically 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 advantages of low-amplitude modulation, simplicity, performance, and price, factors that are usually considered to be mutually exclusive.

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Piezo-locking a diode laser with saturated absorption spectroscopy

Abstract

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