Abstract

A spectrophone utilizing a resonant cylindrical cavity and operated by driving the first azimuthal mode of the cavity has been developed for the study of weak absorption lines of gases at pressures from 100 to 1300 Torr. Presented are the acoustic resonant amplification factor as a function of pressure, and a description of the noise sources inherent in this spectrophone. An example is given of the optical frequency resolution resulting when this spectrophone is used in conjunction with a tunable ring dye laser as a high resolution spectrometer.

© 1989 Optical Society of America

Measurements of the pressure shift of water vapor absorption lines by simultaneous photoacoustic spectroscopy

Jens Bösenberg
Appl. Opt. 24(21) 3531-3534 (1985)

Single-pulse photoacoustic technique for measuring IR multiphoton absorption by polyatomic molecules

S. L. Chin, D. K. Evans, Robert D. McAlpine, and W. N. Selander
Appl. Opt. 21(1) 65-68 (1982)

Differential absorption lidar technique for measurement of the atmospheric pressure profile

C. Laurence Korb and Chi Y. Weng
Appl. Opt. 22(23) 3759-3770 (1983)

Photoacoustic spectroscopy: a measurement technique for low absorption coefficients

Herbert S. Bennett and Richard A. Forman
Appl. Opt. 16(11) 2834-2836 (1977)

Airborne and ground based lidar measurements of the atmospheric pressure profile

C. Laurence Korb, Geary K. Schwemmer, Mark Dombrowski, and Chi Y. Weng
Appl. Opt. 28(15) 3015-3020 (1989)