2016
DOI: 10.1177/0003702816657567
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Cavity Ring-Down Absorption of O2 in Air as a Temperature Sensor for an Open and a Cryogenic Optical Cavity

Abstract: The A-band of oxygen has been measured at low resolution at temperatures between 90 K and 373 K using the phase shift cavity ring down (PS-CRD) technique. For temperatures between 90 K and 295 K, the PS-CRD technique presented here involves an optical cavity attached to a cryostat. The static cell and mirrors of the optical cavity are all inside a vacuum chamber at the same temperature of the cryostat. The temperature of the cell can be changed between 77 K and 295 K. For temperatures above 295 K, a hollow gla… Show more

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Cited by 3 publications
(1 citation statement)
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“…18 We have used the same technique flowing air into heated open tubes to obtain air temperatures from O 2 spectra. 19,20 To illustrate the use of the CEAS technique at low temperatures, the vibrational-rotational overtone transitions (υ = 0→3) of carbon monoxide (CO) at 295 and 80 K and the acetylenic C-H (υ = 0→2) bond of CH 3 C≡C-H at 293 and 165 K are obtained. The spectra of CO and CH 3 CCH have been used for identification, composition, and temperature determination in the atmosphere of planets and satellites of the outer solar system and interstellar clouds.…”
Section: Introductionmentioning
confidence: 99%
“…18 We have used the same technique flowing air into heated open tubes to obtain air temperatures from O 2 spectra. 19,20 To illustrate the use of the CEAS technique at low temperatures, the vibrational-rotational overtone transitions (υ = 0→3) of carbon monoxide (CO) at 295 and 80 K and the acetylenic C-H (υ = 0→2) bond of CH 3 C≡C-H at 293 and 165 K are obtained. The spectra of CO and CH 3 CCH have been used for identification, composition, and temperature determination in the atmosphere of planets and satellites of the outer solar system and interstellar clouds.…”
Section: Introductionmentioning
confidence: 99%