Interferometric measuring arrangement for refractive index measu

Details Interferometric measuring arrangement for refractive index measu Interferometric measuring arrangement for refractive index measu

1993-02-02

1993-10-05

Turner, Samuel A.

Optics: measuring and testing

By polarized light examination

With birefringent element

356128, 356246, G01B 902

Patent

active

052510093

ABSTRACT:
A detection cell (4) is part of an interferometer for measuring changes in the refractive index of a medium located in a capillary (2). In order to simplify the evaluation of an interference fringe pattern, the capillary (2) is arranged in a matching fluid (15), the refractive index of which corresponds to that of the material of the capillary. The matching fluid (15) acts at the same time as a temperature-control bath for the capillary, thereby substantially increasing the temperature stability.

REFERENCES:
patent: 3529896 (1970-09-01), Padawer
patent: 4227806 (1980-10-01), Watkins
patent: 4441811 (1984-04-01), Melezoglu et al.
patent: 4605305 (1986-08-01), Lenoir et al.
Applied Optics, vol. 16, No. 4, pp. 1050-1053 Apr./1977.
Applied Optics, vol. 11, No. 4 pp. 953-954 Apr./1972.
Anal. Chem., vol. 58, pp. 504-505 (1986).
Applied Optics, vol. 22, No. 22 pp. 3526-3531 Nov./1983.

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