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Optics Letters

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  • Vol. 21, Iss. 1 — Jan. 1, 1996
  • pp: 86–88

Detection of CO in air by diode-pumped 4.6-μm difference-frequency generation in quasi-phase-matched LiNbO3

K. P. Petrov, L. Goldberg, W. K. Burns, R. F. Curl, and F. K. Tittel  »View Author Affiliations


Optics Letters, Vol. 21, Issue 1, pp. 86-88 (1996)
http://dx.doi.org/10.1364/OL.21.000086


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Abstract

Detection of CO, N2O, and CO2 in ambient air was performed with a room-temperature cw IR source based on difference-frequency generation in periodically poled LiNbO3. The source was pumped by a seeded high-power GaAlAs amplifier at 860 nm and a diode-pumped monolithic Nd:YAG ring laser at 1064 nm. The IR output was tunable between 2160 and 2320 cm−1 without crystal rotation. The CO detection sensitivity is extrapolated to 5  ppb m / Hz if limited by IR intensity noise.

© 1996 Optical Society of America

History
Original Manuscript: August 10, 1995
Published: January 1, 1996

Citation
K. P. Petrov, L. Goldberg, R. F. Curl, F. K. Tittel, and W. K. Burns, "Detection of CO in air by diode-pumped 4.6-μm difference-frequency generation in quasi-phase-matched LiNbO3," Opt. Lett. 21, 86-88 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-1-86

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