Transducer for an IR scene stimulator

A transducer for a scene stimulator capable of converting incoming visible radiation to infra-red comprises a substrate 3 which is opaque to visible radiation but transparent to infra-red. The face of the substrate that is before the scene to be simulated is provided with plurality of membranes 1i....

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Bibliographische Detailangaben
Hauptverfasser:	JEAN-CLAUDE FONTANELLA, BERNARD SOUCAIL
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RADIATION PYROMETRY TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TESTING
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Beschreibung
Zusammenfassung:	A transducer for a scene stimulator capable of converting incoming visible radiation to infra-red comprises a substrate 3 which is opaque to visible radiation but transparent to infra-red. The face of the substrate that is before the scene to be simulated is provided with plurality of membranes 1i. Each membrane is mechanically linked to the substrate 3 at its ends only to ensure that it is thermally insulated from the substrate and the other membranes 1i. The transducer is used to simulate infrared scenes when testing optronic equipment.