Refractive index temperature sensor

Details Refractive index temperature sensor Refractive index temperature sensor

1981-03-27

1984-03-20

McGraw, Vincent P.

Optics: measuring and testing

Optical pyrometers

With sample engaging rod or tube

374161, G01J 508, G01J 558

Patent

active

044377614

ABSTRACT:
An optical temperature sensor and method of manufacture therefor in which the intensity of light reflected from a first dielectric interface or from first and second dielectric interfaces, wherein one of the dielectrics has a temperature dependent index of refraction is measured. The intensity of light refleted from such dielectric interfaces will vary depending on the index of refraction which in turn is temperature dependent, thus providing a temperature dependent light signal.

REFERENCES:
patent: 3466565 (1969-09-01), Rigrod
patent: 4016761 (1977-04-01), Rozzell et al.
patent: 4140393 (1979-02-01), Cetas
patent: 4201446 (1980-05-01), Geddes et al.
patent: 4329058 (1982-05-01), James et al.
patent: 4356396 (1982-10-01), Ruell et al.
Beysens, "Simple, Reliable, and Sensitive Interferometer for the Measurement of the Refractive Index of Liquids as a Function of Temperature", Rev. Sci. Instrum. 50(4), Apr. 1979, pp. 509-510.

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