Optical systems for sensing temperature and thermal infrared rad

Details Optical systems for sensing temperature and thermal infrared rad Optical systems for sensing temperature and thermal infrared rad

1994-01-14

1996-10-01

Gutierrez, Diego F. F.

Thermal measuring and testing

Temperature measurement

Nonelectrical, nonmagnetic, or nonmechanical temperature...

374137, 25022714, 385 12, 385123, 385141, G01K 1132, G02B 616

Patent

active

055607128

ABSTRACT:
Optical temperature sensors use a temperature-dependent relative distribution of the intensity of interrogating light between two light-guiding regions of a light-guiding probe. The relative distribution can be determined by a plurality of means including the spatial separation of the lights carried by the two light-guiding regions, and/or the conversion of one of the lights into light of wavelengths different easily separable from the wavelength or wavelengths of the interrogating light. The sensors can be adapted to measure infrared radiation by measuring its heating effect on the sensing probes to convert a thermal infrared image into a visible image.

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