G - Physics – 02 – B
Patent
G - Physics
02
B
88/108, 26/197
G02B 6/32 (2006.01) G02B 6/42 (2006.01)
Patent
CA 1269267
TWO LENS OPTICAL PACKAGE AND METHOD OF MAKING SAME ABSTRACT OF THE DISCLOSURE An optical package includes a first lens assembly and a second lens assembly aligned such that their optical axes are common. The first lens assembly comprises a divergent light source disposed along the optical axis of a first lens such that the object distance is less than the focal length of the first lens. The second lens assembly comprises a body, having a light acceptance angle less than the angle of divergence of the light source, disposed along the optical axis of a second lens such that the object distance is greater than the focal length of the second lens. The assemblies are disposed such that the images formed by each assembly alone correspond in position along the common axis thereby coupling the light from the source into the body. To fabricate the package, the source is placed within the focal length of the first lens and the body is placed outside the focal length of the second lens, forming first and second lens assemblies, respectively. The assemblies are placed along a common axis such that a virtual image of the source, which would be formed by the first assembly alone, and a real image of the body, which would be formed by the second assembly alone, are aligned along the common axis.
523704
Craig Wilson And Company
Rca Corporation
LandOfFree
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