Laser frequency locking by dispersive response of atoms in transversal magnetic field

Taro Hasegawa; Mitsuyasu Deguchi

doi:10.1364/JOSAB.26.001216

Laser frequency locking by dispersive response of atoms in transversal magnetic field

Taro Hasegawa, Mitsuyasu Deguchi

Department of Physics

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

A robust laser-frequency-locking scheme to atomic transitions is proposed and demonstrated. In this scheme, dispersion of the Zeeman-shifted atoms instead of absorption in the dichroic atomic vapor laser lock (DAVLL) [Appl. Opt. 37, 3295 (1998)] is measured and used as an error signal for stabilization feedback. The error signal of the proposed scheme can provide a wide locking range. Experimental demonstration with the transition between 5d²D _3/2 and 6p²P_1/2of Ba⁺ is carried out for a grating feedback external-cavity laser diode at 650 nm.

Original language	English
Pages (from-to)	1216-1220
Number of pages	5
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	26
Issue number	6
DOIs	https://doi.org/10.1364/JOSAB.26.001216
Publication status	Published - 2009 Jun 1

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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Hasegawa, T., & Deguchi, M. (2009). Laser frequency locking by dispersive response of atoms in transversal magnetic field. Journal of the Optical Society of America B: Optical Physics, 26(6), 1216-1220. https://doi.org/10.1364/JOSAB.26.001216

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