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    • 2. 发明授权
    • Extreme wide angle, very large aperture, compact, UV imaging lens
    • 极高的角度,非常大的光圈,紧凑的UV成像镜头
    • US5504618A
    • 1996-04-02
    • US262882
    • 1994-06-20
    • John H. HirsAnthony M. NicoliWarren L. Clark
    • John H. HirsAnthony M. NicoliWarren L. Clark
    • G02B5/20G02B9/34G02B13/04G02B13/14G02B3/00
    • G02B9/34G02B13/04G02B13/143G02B5/208
    • An extreme wide angle, very large aperture, very compact, solar blind, UV imaging lens system. The lens system has a fused silica polyvinyl alcohol glass color filter, a lens made of fused silica, a lens made of nickel sulfate, a layer of coupling fluid and another lens made of fused silica. Alternatively, sapphire can be used after the color filter instead of the fused silica. An alternative lens is composed of two layers of fused silica, a layer of nickel sulfate, another layer of fused silica, coupling fluid followed by polyvinyl alcohol, a color glass filter and coupling fluid followed by fused silica. In a fourth embodiment, the two layers of fused silica are followed by polyvinyl alcohol, a layer of colored glass filter, fused silica, nickel sulfate, coupling fluid, and fused silica.
    • 极广角度,非常大的光圈,非常紧凑,太阳能盲人,紫外成像透镜系统。 透镜系统具有熔融二氧化硅聚乙烯醇玻璃滤色器,由熔融石英制成的透镜,由硫酸镍制成的透镜,耦合流体层和由熔融二氧化硅制成的另一透镜。 或者,可以在滤色器之后使用蓝宝石代替熔融二氧化硅。 替代透镜由两层熔融石英,一层硫酸镍,另一层熔融二氧化硅,耦合流体,然后是聚乙烯醇,彩色玻璃过滤器和耦合流体,然后是熔融二氧化硅组成。 在第四实施例中,两层熔融二氧化硅之后是聚乙烯醇,彩色玻璃过滤器,熔融二氧化硅,硫酸镍,偶联流体和熔融二氧化硅。