Lens heater to maintain thermal equilibrium in an infrared imaging system

Various embodiments of the present disclosure may include a device having a housing and a lens element configured to pass thermal radiation received from an external environment. The lens element may be an outer surface of the housing exposed to the external environment through an aperture in the ho...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Tremblay, Marcel
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	Various embodiments of the present disclosure may include a device having a housing and a lens element configured to pass thermal radiation received from an external environment. The lens element may be an outer surface of the housing exposed to the external environment through an aperture in the housing. The device may also include a focal plane array within the housing and configured to receive the thermal radiation passed by the lens element. The device may further include a heater in thermal contact with the lens element and a controller configured to selectively operate the heater to maintain the lens element within a desired temperature range.