Optical temperature measurement technique utilizing phosphors

Details Optical temperature measurement technique utilizing phosphors Optical temperature measurement technique utilizing phosphors

1976-12-16

1978-02-21

Willis, Davis L.

Radiant energy

Luminophor irradiation

With ultraviolet source

73355R, G01N 2138

Patent

active

040754936

ABSTRACT:
A technique wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature. This technique is applied to remote hostile environment point temperature measurements, such as in large enclosed electrical power transformers and other large equipment, to the measurement of surface temperatures, such as in airplane structures being tested in wind tunnels, and elsewhere.

REFERENCES:
patent: 2071471 (1937-02-01), Neubert
patent: 2551650 (1951-05-01), Urbach
patent: 2945954 (1960-07-01), Gaugler
patent: 3256518 (1966-06-01), Crane

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