Radio-frequency spectroscopy in the dark

被引：8

作者：

Chalupczak, W. ^{[1
]}

Josephs-Franks, P. ^{[1
]}

Godun, R. M. ^{[1
]}

Pustelny, S. ^{[2
,3
]}

机构：

[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England

[2] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland

[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 05期

关键词：

SPIN RELAXATION; ORIENTATION; LIGHT;

D O I：

10.1103/PhysRevA.88.052508

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a technique for investigation of a strongly perturbed atomic system, which is an extension of standard radio-frequency spectroscopy. Analogous to "relaxation in the dark" experiments, this technique allows a reconstruction of the population distribution of the unperturbed atomic state by observing the rf spectroscopy signal after an abrupt switch-off of the perturbing light. The evolution and relaxation dynamics of the individual magnetic sublevels is investigated. Experimental observations are supported with numerical modeling based on a full density-matrix calculation performed in the presence of spin-exchange collisions and homogeneous relaxation.

引用

页数：10

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