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    • 2. 发明申请
    • TUNABLE SPECTRAL FILTRATION DEVICE
    • 可调光谱过滤装置
    • WO2010042139A1
    • 2010-04-15
    • PCT/US2009/002610
    • 2009-04-29
    • CARESTREAM HEALTH, INC.FEKE, GilbertVIZARD, Douglas, L.
    • FEKE, GilbertVIZARD, Douglas, L.
    • G02B5/28G02B5/02
    • G02B5/285G02B26/002G02B26/008G02B26/023
    • A tunable spectral filtration device includes one or more pairs of interference filters in series, each element of each pair is independently selected, independently positioned to intersect a path of converging or diverging light, and independently tilted with respect to the light path. Each filter may be a bandpass type, a shortpass type, a longpass type, a notch type, or combinations thereof. Each filter may be independently selected and tilted to tune the net spectral output of the series. The elements in a pair of filters may be tilted in opposite directions to cancel angle-of incidence dependent broadening of the spectral output of the individual filters for noncollimated light, or cancel translational shift of the transmitted light rays. The elements in a pair of filters may be tilted through orthogonal tilt axes to cancel polarization dependent broadening of the spectral output of the individual filters.
    • 可调谐光谱过滤装置包括一对或多对串联的干涉滤光片,每对中的每个元件被独立地选择,独立地定位成与会聚光或发散光相交并相对于光路独立地倾斜。 每个滤波器可以是带通型,短路型,长通型,陷波型或其组合。 可以独立地选择和倾斜每个滤光片以调节该系列的净光谱输出。 一对滤波器中的元件可以在相反的方向上倾斜以消除入射角依赖于对于非准直光的各个滤光器的光谱输出的加宽,或者消除透射光线的平移移动。 一对滤波器中的元件可以通过正交倾斜轴倾斜以消除各个滤波器的频谱输出的偏振相关的加宽。
    • 6. 发明申请
    • VARIABLE CONDENSER FOR DELIVERY OF ILLUMINATION
    • 用于交付照明的可变冷凝器
    • WO2009134363A2
    • 2009-11-05
    • PCT/US2009/002597
    • 2009-04-29
    • CARESTREAM HEALTH, INC.FEKE, Gilbert
    • FEKE, Gilbert
    • F21V8/00F21V5/04
    • G02B6/04G02B6/0008G02B26/103
    • A variable condenser for delivery of illumination, including a recursively nested circle-to-line fiber optic shape-converting cable and a focusable input lens system. At the input of the fiber optic cable, sets of individual optical fibers comprise successively smaller annuli recursively nested about a common center. At the output of the fiber optic cable, the sets of individual optical fibers comprise pairs of line segments recursively nested about the line midpoint, whereby the nesting level of the pairs of line segments has an exact or an approximate correspondence to the nesting level of the annuli. The output may be split into a plurality of lines, whereby the sets of individual optical fibers are distributed among the plurality of lines. The input lens system has a single adjustable focus means to vary the radius of an illumination spot incident upon the input of the fiber optic cable circle input.
    • 用于传输照明的可变电容器,包括递归嵌套的圆形到光纤形状转换电缆和可调焦输入透镜系统。 在光纤电缆的输入端,单独的光纤组包括相对较小的环,其相对于公共中心递归地嵌套。 在光纤电缆的输出处,各组光纤包括一对线段,其以线中点递归地嵌套,由此线段对的嵌套级别具有与嵌套级别的精确或近似对应关系 环带。 输出可以被分成多条线,由此各组光纤分布在多条线之间。 输入透镜系统具有单个可调节聚焦装置,以改变入射到光纤光缆圆输入端的照明点的半径。