Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Patent
1986-01-22
1987-06-30
Evans, F. L.
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
356301, G01J 344, G01N 2105
Patent
active
046766391
ABSTRACT:
A sample gas cell and casing system for use in sampling and analysis of gas samples by Raman light scattering comprises a tubular casing means forming a longitudinal bore, a gas sampling cell transversely mounted in the tubular casing means relative to the longitudinal bore with the gas sampling cell protruding at either end through the tubular casing. The gas cell has opposing windows at the ends which are located outside the tubular casing and are interconnected by a continuous sidewall passing through the casing. The end windows and sidewall define a longitudinal gas chamber having an axis perpendicular to the axis of longitudinal bore in the tubular casing. At least a portion of the continuous sidewall located inside the casing has window means through which scattered light may pass. The cell further contains inlet and outlet means communicating with the chamber to pass a sample gas through said cell. Light collection and/or reflection means are located relative to the side window means to collect and/or reflect Raman scattered light passing through the sidewall window means to a detection system.
REFERENCES:
patent: 4088407 (1978-05-01), Schoeffel et al.
patent: 4200802 (1980-04-01), Salzman et al.
patent: 4440497 (1984-04-01), Carey et al.
patent: 4606636 (1986-08-01), Monin et al.
Weber et al., Journal of the Optical Society of America, vol. 57, No. 1, Jan. 1967, pp. 19-28.
Skogen Hagenson et al. The Journal of Histochemistry and Cytochemistry, vol. 25, No. 7, 1977, pp. 784-789.
Biomaterials International, Inc.
Evans F. L.
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