Coupling apparatus for multimode infrared detectors

Details Coupling apparatus for multimode infrared detectors Coupling apparatus for multimode infrared detectors

1995-06-08

1996-12-10

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503381, H01L 310232

Patent

active

055833403

ABSTRACT:
An optical coupling apparatus for a multimode infrared detector comprises a flux concentrator including a conical cavity, such as a Winston cone, having an entrance aperture for receiving infrared radiation and an exit aperture, and an integrating cavity in communication with the exit aperture of the conical cavity. A planar multimode antenna comprising a plurality of discrete antennas mounted on a silicon substrate is disposed within the integrating cavity so as to receive infrared radiation coupled into the integrating cavity through the exit aperture.

REFERENCES:
patent: 2984747 (1961-05-01), Walker
patent: 4479056 (1984-10-01), Zierhut
patent: 4754139 (1988-06-01), Ennulat et al.
patent: 4791427 (1988-12-01), Raber et al.
patent: 5239179 (1993-08-01), Baker
patent: 5254858 (1993-10-01), Wolfman et al.
DeWaard et al "Minature Optically Immersed Thermistor Bolometer Arrays", lied Optics, vol. 6, No. 8 (Aug.-67).

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