Automated path differencing system

Details Automated path differencing system Automated path differencing system

1980-06-30

1981-09-29

Corbin, John K.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

350289, 350294, G01N 2101

Patent

active

042919886

ABSTRACT:
Nearly time independent measurements of low-absorption coefficients of atmospheric constituents can be made with long-path absorption cells by obtaining short-term averages of transmittance values related to cell mirror reflectivity through rapid changes in the cell pathlength between short and long multipaths.

REFERENCES:
patent: 2303115 (1942-11-01), Eidmann et al.
patent: 2729143 (1956-01-01), White
patent: 3437954 (1969-04-01), Herriott et al.
patent: 3518001 (1970-06-01), Hell
patent: 4100471 (1978-07-01), Pritchard
White, J. V., "Long Optical Paths of Large Aperture", JOSA, vol. 32, p. 2 May 1942.
McCubbin, Jr. et al., "A White-type Multiple-Pass Absorption Cell of Simple Construction", Applied Optics, vol. 2, No. 7, Jul. 1963.
Edwards, T. H., "Multiple-Traverse Absorption Cell Design", vol. 51, No. 1, Jan. 1961.

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