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Conferences > LACEA > 1998 > LTuA > LTuA.1

Single-Frequency Semiconductor Diode Lasers for Gas Sensing

Ramon U. Martinelli

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Abstract

Building upon the substantial laser technology of telecomminications, Sarnoff has developed single-frequency, distributed-feedback (DFB) semiconductor diode lasers with emission wavelengths of 760 to 2000 nm. These devices are ideal sources for trace-gas monitoring systems employing laser absorption spectroscopy. The devices emitting at 760 to 1000 nm are made from AlGaAs/GaAs compounds, and those emitting from about 1300 to 2000 nm are based on the InGaAsP/InP materials system.

© 1998 Optical Society of America

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