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    • 41. 发明授权
    • Catadioptric optical system with total internal reflection for high numerical aperture imaging
    • 反射折射光学系统,具有全内反射,可实现高数值孔径成像
    • US08947775B2
    • 2015-02-03
    • US13492078
    • 2012-06-08
    • Jose Manuel Sasian-AlvaradoMasatsugu Nakano
    • Jose Manuel Sasian-AlvaradoMasatsugu Nakano
    • G02B17/00
    • G02B17/084G02B21/04
    • A catadioptric optical system includes, in order from an object side to an image side and arranged along an optical axis, a first catadioptric unit, a second catadioptric unit disposed in axial alignment with the first catadioptric unit and with a space therebetween; and a lens group disposed in axial alignment with the first and second catadioptric optical units. Light rays arriving from an object plane undergo a first reflection at the image-side surface of the first catadioptric optical unit, a second reflection at the object-side surface of the first catadioptric optical unit, a third reflection at the image-side surface of the second catadioptric optical unit, and a fourth reflection at the object-side surface of the second catadioptric optical unit. Advantageously, the sum the outward Petzval curvatures is cancelled out by the sum of inward Petzval curvatures.
    • 反射折射光学系统从物体侧到像侧依次包括沿着光轴布置的第一反射折射单元,与第一反射折射单元轴向对准设置的第二反射折射单元,并且在其间具有空间; 以及与第一和第二反射折射光学单元轴向对准设置的透镜组。 从物体到达的光线在第一反射折射光学单元的像侧表面进行第一反射,在第一反射折射光学单元的物体侧表面上的第二反射,在像侧表面处的第三反射 第二反射折射光学单元,以及在第二反射折射光学单元的物体侧表面处的第四反射。 有利的是,向外的Petzval曲率的总和抵消了向内的Petzval曲率的总和。
    • 42. 发明申请
    • CATADIOPTRIC OPTICAL SYSTEM WITH TOTAL INTERNAL REFLECTION FOR HIGH NUMERICAL APERTURE IMAGING
    • 具有全数值反射成像的高精度光学系统
    • US20130329283A1
    • 2013-12-12
    • US13492078
    • 2012-06-08
    • Masatsugu NakanoJose Manuel Sasian-Alvarado
    • Masatsugu NakanoJose Manuel Sasian-Alvarado
    • G02B17/08
    • G02B17/084G02B21/04
    • A catadioptric optical system includes, in order from an object side to an image side and arranged along an optical axis, a first catadioptric unit, a second catadioptric unit disposed in axial alignment with the first catadioptric unit and with a space therebetween; and a lens group disposed in axial alignment with the first and second catadioptric optical units. Light rays arriving from an object plane undergo a first reflection at the image-side surface of the first catadioptric optical unit, a second reflection at the object-side surface of the first catadioptric optical unit, a third reflection at the image-side surface of the second catadioptric optical unit, and a fourth reflection at the object-side surface of the second catadioptric optical unit. Advantageously, the sum the outward Petzval curvatures is cancelled out by the sum of inward Petzval curvatures.
    • 反射折射光学系统从物体侧到像侧依次包括沿着光轴布置的第一反射折射单元,与第一反射折射单元轴向对准设置的第二反射折射单元,并且在其间具有空间; 以及与第一和第二反射折射光学单元轴向对准设置的透镜组。 从物体到达的光线在第一反射折射光学单元的像侧表面进行第一反射,在第一反射折射光学单元的物体侧表面上的第二反射,在像侧表面处的第三反射 第二反射折射光学单元,以及在第二反射折射光学单元的物体侧表面处的第四反射。 有利的是,向外的Petzval曲率的总和抵消了向内的Petzval曲率的总和。