Spectral Characterization of a Near-Room Temperature Continuous Wave Quantum Cascade Laser for Nitric Oxide Detection at 5.5 µm

David D. Nelson; J. Barry McManus; Scott C. Herndon; Joanne Shorter; Mark S. Zahniser; Stéphane Blaser; Lubos Hvozdara; Antoine Muller

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
Technical Digest (CD) (Optica Publishing Group, 2006),
paper CFL4

Spectral Characterization of a Near-Room Temperature Continuous Wave Quantum Cascade Laser for Nitric Oxide Detection at 5.5 µm

David D. Nelson, J. Barry McManus, Scott C. Herndon, Joanne Shorter, Mark S. Zahniser, Stéphane Blaser, Lubos Hvozdara, and Antoine Muller

Conference on Lasers and Electro-Optics 2006

Long Beach, California United States
21–26 May 2006
ISBN: 1-55752-813-6

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Mid-IR Laser-Based Sensors (CFL)

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D. D. Nelson, J. B. McManus, S. C. Herndon, J. Shorter, M. S. Zahniser, S. Blaser, L. Hvozdara, and A. Muller, "Spectral Characterization of a Near-Room Temperature Continuous Wave Quantum Cascade Laser for Nitric Oxide Detection at 5.5 µm," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optica Publishing Group, 2006), paper CFL4.

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Abstract

We report power, line width and mode purity for a cw 5.5 µm quantum cascade laser at −26 C. We detect atmospheric NO with high sensitivity (0.5 ppb Hz^−1/2) using rapid sweep, direct absorption spectroscopy.

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