INFRARED OPTICAL DEVICE

PURPOSE:To detect an incident infrared ray with high accuracy by covering the visual field of a detector which performs detection inside a housing by the reflection and transmission of a half-mirror with an infrared-ray radiation body which has high emissivity and constant temperature. CONSTITUTION:...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WAKABAYASHI SATOSHI, NONOYAMA TORU, TAJIME TORU
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To detect an incident infrared ray with high accuracy by covering the visual field of a detector which performs detection inside a housing by the reflection and transmission of a half-mirror with an infrared-ray radiation body which has high emissivity and constant temperature. CONSTITUTION:An infrared ray emitted by the infrared-ray radiation body 12 enters a 1st detector 6 and a 2nd detector 7 through the visual field 17. The emissivity of the radiation body 12 is extremely close to 1 and its temperature is controlled to the constant value, so the radiation quantity of the infrared ray is constant. For the purpose, the temperature of the radiation body 12 is set low and then even if the temperature of the housing rises, the quantity of the infrared ray entering the 1st detector 6 and 2nd detector 7 through the visual field 17 can be suppressed low and an increase of detector shock noises and the saturation of the detector outputs are suppressed.