Beam shaping optical system
Patent 4203652 Issued on May 20, 1980. Estimated Expiration Date: 
June 6, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 6, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorAssigneeApplicationNo. 05/913225 filed on 06/06/1978US Classes:359/669, With prism anamorphoser359/641, COLLIMATING OF LIGHT BEAM359/710, Cylindrical359/721, Plural focal length372/101Lens or lens systemExaminersPrimary: Sacher, Paul A.Attorney, Agent or FirmInternational ClassesG02B 13/10 (20060101)G02B 13/08 (20060101) G02B 27/09 (20060101) G02B 6/42 (20060101) G02B 13/18 (20060101) Foreign Application Priority Data1977-02-15 JPAbstractThis specification discloses a beam shaping optical system for treating the diverging beam emitted from the exit surface of a semiconductor laser. The beam from the semiconductor laser has different angles of divergence and different origins of divergence in directions orthogonal to each other. Such a beam may be collimated or efficiently treated into a circular spot light by the beam shaping optical system.Other References
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