Two-photon spectroscopy in rubidium with a diode laser

R. E. Ryan; L. A. Westling; H. J. Metcalf

doi:10.1364/JOSAB.10.001643

Two-photon spectroscopy in rubidium with a diode laser

R. E. Ryan
, L. A. Westling
, H. J. Metcalf

Physics and Astronomy

Northrop Grumman
Swarthmore College

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

35 Scopus citations

Abstract

We present what is to our knowledge the first measurement of a two-photon transition excited in Rb with a commercial diode laser. In addition to the limitation imposed by diode lasers’ characteristic low powers, their relatively large bandwidths and sensitivity to optical feedback effects impede their application to two-photon spectroscopy. However, we show that optimized signal detection and careful minimization of optical feedback with an acousto-optic modulator combined with a Faraday isolator result in good two-photon signals with an off-the-shelf diode laser.

Original language	English
Pages (from-to)	1643-1648
Number of pages	6
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	10
Issue number	9
DOIs	https://doi.org/10.1364/JOSAB.10.001643
State	Published - Sep 1993

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AB - We present what is to our knowledge the first measurement of a two-photon transition excited in Rb with a commercial diode laser. In addition to the limitation imposed by diode lasers’ characteristic low powers, their relatively large bandwidths and sensitivity to optical feedback effects impede their application to two-photon spectroscopy. However, we show that optimized signal detection and careful minimization of optical feedback with an acousto-optic modulator combined with a Faraday isolator result in good two-photon signals with an off-the-shelf diode laser.

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Two-photon spectroscopy in rubidium with a diode laser

Abstract

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