Television – Back scatter reduction
Patent
1993-09-14
1994-08-02
Henry, Jon W.
Television
Back scatter reduction
342 55, 356 5, 250332, 359599, 348216, 348147, H04N 718, G01C 308
Patent
active
053350707
ABSTRACT:
A new and improved laser light beam homogenizer for transforming a laser beam with spatially inhomogeneous intensity into a beam with a more nearly spatially uniform intensity pattern is presented. The light beam is diverged by a lens and presented to an integrator. The integrator transforms the beam into a beam with a more uniform illumination. The uniform illumination beam is then impinged on control optics to limit the divergence of the uniform beam and control higher order distortion in the system. This beam may then be illuminated at a predetermined distance by a projecting optic lens. The laser light beam homogenizer of this invention is particularly well suited for use in an imaging lidar system.
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European Search Report P-DSF-206/OEB.
Pflibsen Kent P.
Stuppi Albert N.
Henry Jon W.
Kaman Aerospace Corporation
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