G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 26/08 (2006.01) G01C 11/02 (2006.01) G02B 6/06 (2006.01) G02B 13/06 (2006.01) G02B 17/06 (2006.01) G08B 13/193 (2006.01) G01J 1/04 (2006.01)
Patent
CA 2081802
PATENT APPLICATION WIDE FIELD STRIP-IMAGING OPTICAL SYSTEM ABSTRACT A strip imaging wide angle optical system is provided. The optical system is provided with a "virtual" material stop to avoid aberrational effects inherent in wide angle optical systems. The optical system includes a spherical mirror section for receiving light from a 180-degree strip or arc of a target image. Light received by the spherical mirror section is reflected to a frusto- conical mirror section for subsequent rereflection to a row of optical fibers. Each optical fiber transmits a portion of the received light to a detector. The optical system exploits the narrow cone of acceptance associated with optical fibers to substantially eliminate vignetting effects inherent in wide-angle systems. Further, the optical system exploits the narrow cone of acceptance of the optical fibers to substantially limit spherical aberration. The optical system is ideally suited for any application wherein a 180-degree strip image need be detected, and is particularly well adapted for use in hostile environments such as in planetary exploration.
Gowling Lafleur Henderson Llp
United States (goverment Of The) As Represented By The Administr
Vaughan Arthur H.
LandOfFree
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