Infrared-transparent window structure

Details Infrared-transparent window structure Infrared-transparent window structure

1997-06-06

2000-03-14

Henry, Jon

Optical: systems and elements

Having significant infrared or ultraviolet property

Multilayer filter or multilayer reflector

359350, G02B 111, G02B 100, G02B 2700

Patent

active

060380659

ABSTRACT:
A window structure includes a first window layer having a zinc sulfide substrate coated on each side with an antireflective coating, and a second window layer having a bulk silicon substrate coated on each side with an antireflective coating. The two window layers are bonded together in a facing-but-spaced-apart relation by an infrared-transparent adhesive layer, preferably a silicone rubber. A targeting/sensor system using the window structure includes a targeting laser and a sensor within a housing having the window structure in its wall.

REFERENCES:
patent: 4778731 (1988-10-01), Kraatz et al.
patent: 4809293 (1989-02-01), DeBell et al.
patent: 4907846 (1990-03-01), Tustison et al.
patent: 5067781 (1991-11-01), Montanari et al.
patent: 5194985 (1993-03-01), Hilton, Sr.
patent: 5242709 (1993-09-01), Chaffin, III
patent: 5425983 (1995-06-01), Propst et al.

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