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    • 2. 发明公开
    • 광빔 강도의 비균일성을 보정하는 장치 및 광빔의 강도분포를 보정하는 방법
    • 光束强度非均匀性校正装置和修改光束强度分布的方法
    • KR1020080066058A
    • 2008-07-15
    • KR1020087012700
    • 2006-09-21
    • 칼 짜이스 레이저 옵틱스 게엠베하
    • 쉬클로퍼피탈리키레이홀거뮌쯔홀거레마이레미첼바이글베른하르트
    • G02B1/11G02B27/00G03F7/20
    • G02B27/0988G02B1/115G02B5/22G02B13/08G02B27/0966G03F7/70591G03F7/70958G03F7/70975
    • The invention relates to a light beam intensity non-uniformity correction device (34) comprising an optical element (34) having a light entrance face (36) with an antireflective property. According to the invention said antireflective property is locally amended in order to enhance light beam intensity uniformity. The invention further relates to a method for amending intensity distribution of a light beam (12) in an optical system (2) having one optical element or a plurality of optical elements (16, 24, 26, 34), comprising the steps of: a) assembling said optical system (2) with said optical elements (16, 24, 26, 34) being arranged in predetermined positions, b) measuring intensity distribution, c) calculating locally required increase or decrease in absorption and/or reflection of one of said optical elements (34) in order to amend measured intensity distribution into a predetermined intensity distribution, d) removing said one of said optical elements (34) from said optical system (2), e) locally amending absorption and/or reflection of said one of said optical elements according to the calculation, f) installing said one of said optical elements (34) in said predetermined position in said optical system (2).
    • 本发明涉及一种光束强度不均匀性校正装置(34),其包括具有防反射特性的光入射面(36)的光学元件(34)。 根据本发明,为了增强光束强度均匀性,局部地修改了抗反射性能。 本发明还涉及一种用于修正具有一个光学元件或多个光学元件(16,24,26,34)的光学系统(2)中的光束(12)的强度分布的方法,包括以下步骤: a)将所述光学系统(2)与布置在预定位置的所述光学元件(16,24,26,34)组装,b)测量强度分布,c)计算局部所需的增加或减小的吸收和/或反射的一个 的所述光学元件(34),以便将测量的强度分布修改为预定的强度分布,d)从所述光学系统(2)中去除所述光学元件(34)中的所述一个,e)局部地修改所述光学元件(34)的吸收和/或反射 根据所述计算所述光学元件中的一个,f)将所述光学元件(34)中的所述一个安装在所述光学系统(2)中的所述预定位置。