Two-color polarization spectroscopy of rubidium

被引：22

作者：

Kulatunga, P. ^{[2
]}

Busch, H. C. ^{[3
]}

Andrews, L. R. ^{[1
]}

Sukenik, C. I. ^{[1
]}

机构：

[1] Old Dominion Univ, Dept Phys, Norfolk, VA 23529 USA

[2] Lawrence Univ, Dept Phys, Appleton, WI 54911 USA

[3] Georgia Coll & State Univ, Dept Chem Phys & Astron, Milledgeville, GA 31061 USA

来源：

OPTICS COMMUNICATIONS | 2012年 / 285卷 / 12期

基金：

美国国家科学基金会;

关键词：

Polarization spectroscopy; Laser frequency stabilization; Modulation-free laser locking; LASER FREQUENCY LOCKING; TRANSITION; STABILIZATION; DIODE; ATOMS; LINE;

D O I：

10.1016/j.optcom.2012.02.032

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on two-color, two-photon polarization spectroscopy in a room-temperature rubidium vapor. We use two separate lasers, a strong pump at 780 nm to induce an anisotropy in the atomic polarization and a weak probe at 776 nm to interrogate this anisotropy. The lasers are resonant with the 5(2)S(1/2) -> 5(2)P(3/2) and 5(2)P(3/2) -> 5(2)D(5/2) transitions in rubidium, respectively. Finally, we have used our polarization spectroscopy signal as an error signal to lock the 776 nm laser. This modulation-free locking scheme allows us to detune the lock point of the second laser by adjusting the detuning of the laser used for the first transition. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2851 / 2853

页数：3

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