Accurate determination of the atomic number density in dense Cs vapors by absorption measurements of Cs2 triplet bands

The spectra of Cs metal vapor have been experimentally investigated by spatially resolved absorption in overheated cesium vapor generated in a heat pipe oven. The reduced absorption coefficients of the triplet satellite bands at 875.5 nm and the diffuse band between 705 nm and 720 nm were found to b...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2006-09, Vol.84 (3), p.523-527
Main Authors: VADLA, C, HORVATIC, V, NIEMAX, K
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Bands
Density
Diffusion
Exact sciences and technology
Infrared spectra
Lasers
Metal vapors
Molecular properties and interactions with photons
Molecular spectra
Ovens
Physics
Satellites
Spectra
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Summary:The spectra of Cs metal vapor have been experimentally investigated by spatially resolved absorption in overheated cesium vapor generated in a heat pipe oven. The reduced absorption coefficients of the triplet satellite bands at 875.5 nm and the diffuse band between 705 nm and 720 nm were found to be independent of temperature in the range between 600 K and 1000 K. The absorption data of these molecular features can be successfully used for very simple and accurate Cs number density determination in the range from about 5X1017 cm-3 to 5X1018 cm-3.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-006-2317-8