Diode Laser Heterodyne Spectroscopy of Sulfur Dioxide

J. P. Sattler; T. L. Worchesky; W. J. Lafferty

doi:10.1364/SAM.1980.WP4

Topical Meeting on Spectroscopy in Support of Atmospheric Measurements
Technical Digest Series (Optica Publishing Group, 1980),
paper WP4
•https://doi.org/10.1364/SAM.1980.WP4

Diode Laser Heterodyne Spectroscopy of Sulfur Dioxide

J. P. Sattler, T. L. Worchesky, and W. J. Lafferty

Spectroscopy in Support of Atmospheric Measurements 1980

Sarasota, Florida United States
10–12 November 1980
ISBN:

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Poster Session II (WP)

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J. P. Sattler, T. L. Worchesky, and W. J. Lafferty, "Diode Laser Heterodyne Spectroscopy of Sulfur Dioxide," in Topical Meeting on Spectroscopy in Support of Atmospheric Measurements, Technical Digest Series (Optica Publishing Group, 1980), paper WP4.

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Abstract

The use of a HgCdTe photomixer well beyond its 1.2 GHz bandwidth in conjunction with a tunable diode laser has permitted the rapid, precise and accurate frequency measurement of many Doppler-limited infrared. (IR) absorptions lying within ±9 GHz of a CO₂ laser emission. With care, IR line centers may be determined to within ±3 MHz. A schematic of the apparatus appears in Fig. 1.

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