Spectroscopy in an extremely thin vapor cell: Comparing the cell-length dependence in fluorescence and in absorption techniques

被引：99

作者：

Sarkisyan, D ^{[1
]}

Varzhapetyan, T

Sarkisyan, A

Malakyan, Y

Papoyan, A

Lezama, A

Bloch, D

Ducloy, M

机构：

[1] NAS Armenia, Inst Phys Res, Ashtarak 378410 2, Armenia

[2] Fac Ingn, Inst Fis, Montevideo, Uruguay

[3] Univ Paris 13, Phys Lasers Lab, CNRS, UMR 7538, F-93430 Villetaneuse, France

来源：

PHYSICAL REVIEW A | 2004年 / 69卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.69.065802

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We compare the behavior of absorption and of resonance fluorescence spectra in an extremely thin Rb vapor cell as a function of the ratio of L/lambda, with L the cell thickness (Lsimilar to150-1800 nm) and lambda the wavelength of the Rb D-2 line (lambda=780 mn). The Dicke-type coherent narrowing [ G. Dutier , Europhys. Lett. 63, 35 (2003) ] is observed only in transmission measurements, in the linear regime, with its typical collapse and revival, which reaches a maximum for L=(2n+1)lambda/2 (n integer). It is shown not to appear in fluorescence, whose behavior-amplitude, and spectral width, is more monotonic with L. Conversely, at high-intensity, the sub-Doppler saturation effects are shown to be the most visible in transmission around L=nlambda.

引用

页码：065802 / 1

页数：4

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