Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1994-11-10
1996-12-10
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
G01N 2163
Patent
active
055836348
ABSTRACT:
A process for simultaneously blowing a gas jet onto a sample 6 to be analyzed and subsequently focusing a laser beam 4 onto the sample so as to produce a plasma 12 on the surface of the sample. An analysis is made of the spectrum S' of the light radiation emitted by the plasma and this spectrum analysis provides the basis for determining the composition of the isotopic composition of the sample.
REFERENCES:
patent: 4645342 (1987-02-01), Tanimoto et al.
Applied Spectroscopy, vol. 42, No. 7, 1988, Peter Arrowsmith, et al, "Entrainment and Transport of Laser Ablated Plumes for Subsequent Elemental Analysis", pp. 1231-1239.
Applied Spectroscopy, vol. 47, No. 5, May 1993, C. Aragon, et al., "Determination of Carbon Content in Molten Steel Using Laser-Induced Breakdown Spectroscopy", pp. 606-608.
Applied Spectroscopy, vol. 46, No. 9, Sep. 1992, J. A. Aguilera, et al., "Determination of Carbon Content in Steel using Laser-Induced Breakdown Spectroscopy", pp. 1382-1387.
Andre Nadine
Mauchien Patrick
Semerok Alexandre
Commissariat a l''Energie Atomique
Evans F. L.
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