FREQUENCY STABILIZATION OF A 1.5-MU-M DISTRIBUTED-FEEDBACK LASER USING A HETERODYNE SPECTROSCOPY METHOD FOR A SPACE APPLICATION

被引：2

作者：

LATRASSE, C ^{[1
]}

DELABACHELERIE, M ^{[1
]}

机构：

[1] UNIV PARIS 11,HORLOGE ATOM LAB,CNRS,UNITE RECH,F-91405 ORSAY,FRANCE

来源：

OPTICAL ENGINEERING | 1994年 / 33卷 / 05期

关键词：

SEMICONDUCTOR LASERS; FREQUENCY STABILIZATION; HETERODYNE SPECTROSCOPY; ACETYLENE ABSORPTION LINES; STABILITY CHARACTERIZATION; SPACE APPLICATION;

D O I：

10.1117/12.168432

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have developed 1.5-mum distributed feedback lasers stabilized on a C2H2 absorption line, which are to be used as the frequency reference in a space Fourier transform interferometer intended for meteorological sounding of the atmosphere. The stabilization method is based on the heterodyne spectroscopy technique using a 350-MHz laser diode current modulation. Two 500-cm3 pigtailed stabilized laser modules with 500 muW of useful power at 1540.7 nm were realized. They show a relative frequency stability better than 2.10(-10) for observation times between 0.3 and 300 s.

引用

页码：1638 / 1641

页数：4

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