Progress towards compact broadly tunable laser modules for high-resolution mid-IR spectroscopy and commercial applications

Miles J. Weida; Edeline Fotheringham; William B. Chapman; Timothy Day

doi:10.1117/12.914414

21 January 2012 Progress towards compact broadly tunable laser modules for high-resolution mid-IR spectroscopy and commercial applications

Miles J. Weida, Edeline Fotheringham, William B. Chapman, Timothy Day

Author Affiliations +

Proceedings Volume 8268, Quantum Sensing and Nanophotonic Devices IX; 82682I (2012) https://doi.org/10.1117/12.914414
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

Many gas-phase sensing applications involve detection of multiple molecules with rotationallyresolved spectra. The benefits of using mid-infrared (3 - 20 μm) radiation for detection are clear: strong, characteristic absorption features across regions with varying degrees of overlap can be exploited for multi-component detection. Quantum cascade lasers now provide CW radiation throughout the mid-infrared, but there are no commercial lasers available that meet the combined requirements of small size, low power consumption, and continuous broad tuning. Recent progress in realizing these modules is discussed, along with commercial applications enabled by the technology.

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Miles J. Weida, Edeline Fotheringham, William B. Chapman, and Timothy Day "Progress towards compact broadly tunable laser modules for high-resolution mid-IR spectroscopy and commercial applications", Proc. SPIE 8268, Quantum Sensing and Nanophotonic Devices IX, 82682I (21 January 2012); https://doi.org/10.1117/12.914414

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