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Conferences > CLEO > 1996 > CWB > CWB6
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper CWB6

Diode-pumped quasi-phase-matched cw 4.6-μm source: application to trace gas detection

K. P. Petrov, R. F. Curl, F. K. Tittel, L. Goldberg, and W. K. Burns

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Abstract

This work was done to develop a compact mid-infrared laser source for fast and sensitive detection of atmospheric trace gases. We report the application of all-diode-pumped room-temperature difference-frequency generation (DFG) to detection of the CO, N2O, and CO2 in ambient air near 4.6 μm. The DFG was performed in quasi-phase-matched periodically poled LiNbO31,2 This new material allows custom phase matching of commonly available high-power diode lasers, has high nonlinear coefficient, and wide acceptance bandwidth.3

© 1996 Optical Society of America

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