Absolute frequency stabilization of an extended-cavity diode laser against Doppler-free H217O absorption lines at 1.384 μm

被引：27

作者：

Galzerano, Gianluca ^{[1
,2
]}

Fasci, Eugenio ^{[3
,4
]}

Castrillo, Antonio ^{[3
,4
]}

Coluccelli, Nicola ^{[1
,2
]}

Gianfrani, Livio ^{[3
,4
]}

Laporta, Paolo ^{[1
,2
]}

机构：

[1] CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy

[2] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[3] Univ Naples 2, Dipartimento Sci Ambientali, I-81100 Caserta, Italy

[4] CNISM, I-81100 Caserta, Italy

来源：

OPTICS LETTERS | 2009年 / 34卷 / 20期

关键词：

SPECTROSCOPY;

D O I：

10.1364/OL.34.003107

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the frequency stabilization of a cw extended-cavity diode laser against saturated absorption lines of the (H2O)-O-17 isotopologue of water vapor at around 1.384 mu m. The saturation of rotovibrational transitions is achieved by filling a high-finesse optical resonator with (H2O)-O-17 at low pressure and by locking the laser frequency to the resonator by using the Pound-Drever-Hall technique. Absolute frequency stabilization is obtained, locking the cavity resonance to the center of the sub-Doppler line by means of the wavelength modulation method. A relative frequency stability of sigma(tau)=10(-13)(0.1 tau(-2)+0.9)(1/2) is demonstrated for integration times in the range 4 ms <tau<30 0 s. (C) 2009 Optical Society of America

引用

页码：3107 / 3109

页数：3

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