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    • 3. 发明申请
    • Achromatic Homogenizer and Collimator for LEDs
    • 消色差均质器和准直器
    • US20100020565A1
    • 2010-01-28
    • US12508850
    • 2009-07-24
    • George Seward
    • George Seward
    • F21V13/04F21V8/00
    • G02B19/0028F21K9/61F21K9/68F21Y2115/10G02B6/0006G02B6/0008G02B19/0066
    • A lens arrangement with an achromatic homogenizer and collimator for multiple LEDs. The lens arrangement combines the hemispherical emittance profiles from one or more LEDS into a collimated beam without chromatic aberration. The lens arrangement has one or more LEDs, a homogenizer, a solid lightpipe, an internal parabolic reflector, a retroreflector, and a refractor. The emittance profiles of the LEDs are distributed evenly over space and angle by multiple reflections inside a diffusely reflecting cavity of the homogenizer. The internal reflector has a numerical aperture of 1.0, which defines a hemispherical solid angle of collection within air. The retroreflector directs rays away from the LEDs. The retroreflection permits space for the electronics of high radiance LEDs. The refractor converts the retroreflector rays in a plurality of shapes. The lens is optimally designed for applications with high standards for color mixing, uniformity, and efficient conversion of electrical power into light.
    • 具有消色差均衡器和准直器的透镜装置,用于多个LED。 透镜装置将来自一个或多个LEDS的半球形发射率分布组合成没有色差的准直光束。 透镜装置具有一个或多个LED,均质器,固体光管,内部抛物面反射器,后向反射器和折射器。 LED的发射率分布通过均质器漫反射腔内的多次反射在空间和角度上均匀分布。 内部反射器的数值孔径为1.0,其限定了在空气中收集的半球形立体角。 后向反射器将光线远离LED。 逆向反射允许高辐射LED电子元件的空间。 折射器将后向反射器光线转换成多个形状。 镜头最适合高标准的应用,用于色彩混合,均匀性和电力有效转换成光。
    • 5. 发明申请
    • Isotropic illumination
    • 各向同性照明
    • US20060072335A1
    • 2006-04-06
    • US10956651
    • 2004-10-01
    • George Seward
    • George Seward
    • G02B6/00
    • G02B21/125
    • An isotropic illuminator is described, including a relay lens configured to focus a source image propagated from a source and a lightpipe having an entrance aperture and an exit aperture. The source image is aligned by a folding element to fill the entrance aperture and the lightpipe propagating the source image provides substantially uniform illumination from the exit aperture to a field stop. Focusing a source image propagated from a source, aligning the source image to fill an entrance aperture, and propagating the source image to provide substantially uniform illumination from an exit aperture to a field stop is also described. A specimen review system including a specimen stage configured to receive specimens for viewing, a source of illumination providing illumination to the specimen stage, and a review scope configured to review specimens on the specimen stage is also described.
    • 描述了各向同性照明器,其包括中继透镜,其被配置为聚焦从源极传播的源图像和具有入射孔和出射孔的光管。 源图像通过折叠元件对准以填充入口孔径,并且传播源图像的光管提供从出射孔到场停止的基本均匀的照明。 对来自源传播的源图像进行聚焦,对准源图像以填充入射孔,并且传播源图像以提供从出射孔到场光阑的基本均匀的照明。 还描述了一种标本审查系统,其包括被配置为接收用于观察的样本的样本台,向样本台提供照明的照明源,以及被配置为在样本台上检查样本的审查范围。
    • 7. 发明申请
    • Parcentric objective
    • 偏心目标
    • US20060056014A1
    • 2006-03-16
    • US10940063
    • 2004-09-13
    • George Seward
    • George Seward
    • G02B21/00G02B21/02
    • G02B27/0025G02B13/10G02B21/248
    • A parcentric objective is described, including an objective lens configured to receive an incident ray from a field of view and to translate the incident ray into a translated incident ray, the objective lens substantially aligned across an optical axis, and a wedge prism configured to receive and deflect the translated incident ray into an exiting ray, the wedge prism rotated about the optical axis. A specimen review system is also described, including a specimen stage configured to receive specimens for viewing, a source of illumination providing illumination to the specimen stage, a review scope configured to review specimens positioned on the specimen stage, the review scope comprising a parcentric objective configured to resolve a field of view of the specimen stage.
    • 描述了一种偏心物镜,其包括被配置为从视场接收入射光线并将入射光线平移成经转换的入射光线的物镜,物镜基本上对齐在光轴上,以及配置成接收 并将经转换的入射光线偏转成出射光线,楔形棱镜围绕光轴旋转。 还描述了一种标本审查系统,包括被配置为接收用于观察的样本的样本台,向样本台提供照明的照明源,被配置为检查定位在标本台上的样本的审查范围,包括偏心目标的审查范围 被配置为解决样本台的视场。