SharePiezoelectric detection of vibrational overtones at cryogenic temperatures.
Author(s) : MANZANARES C., MINA-CAMILDE N., BROCK A., PENG J., BLUNT V. M.
Type of article: Article
Summary
A resonant optoacoustic technique is described using continuous wave laser excitation and piezoelectric detection of overtone absorptions of liquefied gases at cryogenic temperatures. This sensitive technique is used to obtain the visible spectra of pure liquid methane and ethane. Spectra of the fourth overtone of the C-H stretch vibration of methane, in solution with liquid argon at 94 K, and in solution with liquid nitrogen at 84 K, are also reported. Comparison is made with nonresonant and pulsed acoustic techniques.
Details
- Original title: Piezoelectric detection of vibrational overtones at cryogenic temperatures.
- Record ID : 1996-2051
- Languages: English
- Source: Rev. sci. Instrum. - vol. 66 - n. 3
- Publication date: 1995/03
- Document available for consultation in the library of the IIR headquarters only.
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- Date : 1985
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- Languages : English
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- Date : 1995/03
- Languages : English
- Source: Rev. sci. Instrum. - vol. 66 - n. 3
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- Author(s) : BURGER J., MEEPAGALA S. C., WOLF E. L.
- Date : 1989
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