Ultra-wide field of view concentric sensor system

Details Ultra-wide field of view concentric sensor system Ultra-wide field of view concentric sensor system

G - Physics

02

B

G02B 13/06 (2006.01)

Patent

CA 2353465

Very compact, high numerical aperture, high resolution, ultra-wide field of view concentric optical apparatus. The concentric optical apparatus comprises a concentric lens and a focal surface array disposed along a focal surface of the concentric shell outer lens. The optical apparatus may further comprise an image intensifier tube optically coupled to the concentric lens by way of a curved fiber optic relay having an input surface that is concentrically disposed with respect to the concentric lens. The optical apparatus may also comprise a dewar that houses the focal surface array, and wherein the concentric lens comprises a cold stop for the focal surface array.

L'invention concerne un appareil optique concentrique très compact, à grande ouverture numérique, haute résolution et champ ultralarge. L'appareil optique concentrique comprend une lentille concentrique ainsi qu'un réseau de plan focal disposé le long d'un plan focal de la lentille extérieure de l'enveloppe concentrique. L'appareil optique comprend également un tube intensificateur d'image couplé optiquement à la lentille concentrique par un relais à fibre optique incurvé ayant une surface d'entrée disposée de manière concentrique par rapport à la lentille concentrique. L'appareil optique peut aussi comprendre un dewar contenant le réseau de plan focal, et la lentille concentrique comprend un diaphragme froid destiné au réseau de plan focal.

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