Characterization and stabilization of fiber-coupled laser diode arrays

被引：3

作者：

Phillips, DF ^{[1
]}

Wong, GP ^{[1
]}

Bear, D ^{[1
]}

Stoner, RE ^{[1
]}

Walsworth, RL ^{[1
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1999年 / 70卷 / 07期

关键词：

D O I：

10.1063/1.1149847

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have characterized the spectra and performance of an ensemble of 11 fiber-coupled laser diode arrays (LDAs) manufactured by Opto Power Inc. These high-power LDAs operate near 795 nm and are of a type commonly used for spin-exchange optical pumping of noble gases. We find the Opto Power LDAs to vary significantly in output power, spectral width, and other important characteristics, in a manner not correlated with age, operating lifetime, or information supplied by the manufacturer. In addition we have developed a two-loop feedback technique for use with LDAs that stabilizes the Rb magnetization in an optical pumping cell to better than one part in a thousand. (C) 1999 American Institute of Physics. [S0034-6748(99)00707-8].

引用

页码：2905 / 2909

页数：5

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