Detector of fourier transform infrared spectrometer

Details Detector of fourier transform infrared spectrometer Detector of fourier transform infrared spectrometer

1990-12-27

1992-01-14

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250352, G01N 2145, G01J 506

Patent

active

050813587

ABSTRACT:
A detector comprising a pyroelectric detector, a temperature control mechanism including a thermoelectric heating/cooling element for keeping the temperature of the pyroelectric detector constant, a temperature sensor, and a temperature controller responsive to the detection signal from the temperature sensor for controlling power supply to the thermoelectric heating/cooling element, and control unit provided within the temperature controller for pyroelectric detector. Synchronizing the operation of the pyroelectric detector and the thermoelectric heating/cooling element such that the power supply of the thermoelectric heating/cooling element is turned on and off only when data is not being collected by the pyroelectric detector.

REFERENCES:
patent: 4950900 (1990-08-01), Takeuchi et al.
patent: 4990782 (1991-02-01), Wellman et al.

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