Frequency stabilization of a 1.5-um distributed feedback laser using a heterodyne spectroscopy method for a space application

Christine Latrasse; Michel de Labachelerie

doi:10.1117/12.168432

1 May 1994 Frequency stabilization of a 1.5-μm distributed feedback laser using a heterodyne spectroscopy method for a space application

Christine Latrasse, Michel de Labachelerie

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Optical Engineering, Vol. 33, Issue 5, (May 1994). https://doi.org/10.1117/12.168432

Abstract

We have developed 1.5-μm 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 μW 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.

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Christine Latrasse and Michel de Labachelerie "Frequency stabilization of a 1.5-μm distributed feedback laser using a heterodyne spectroscopy method for a space application," Optical Engineering 33(5), (1 May 1994). https://doi.org/10.1117/12.168432

Published: 1 May 1994

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