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    • 9. 发明授权
    • Optical element for distributing light
    • 用于分配光的光学元件
    • US08625201B2
    • 2014-01-07
    • US13296689
    • 2011-11-15
    • Frank EisenkraemerSteffen GuentherHans-Martin Heuck
    • Frank EisenkraemerSteffen GuentherHans-Martin Heuck
    • G02B27/14
    • G02B27/145G02B21/18G02B27/0025G02B27/1066G02B27/142G02B27/144
    • An optical element for distributing light has a predefined spectral energy distribution in a predetermined working wavelength range. The optical element encompasses a transparent body into which the light enters, and a beam splitter layer embodied inside the transparent body, which layer has in the working wavelength range a predefined wavelength-dependent reflectance with which it reflects the light entering the transparent body in order to generate a reflected exit light bundle, and a wavelength-dependent transmittance with which it transmits the light entering the transparent body to generate a transmitted exit light bundle. The optical element encompasses a compensation layer arrangement, embodied on the transparent body separately from the beam splitter layer, whose transmittance with regard to the light passing through the compensation layer arrangement is defined as a function of the reflectance and transmittance of the beam splitter layer.
    • 用于分配光的光学元件在预定工作波长范围内具有预定的光谱能量分布。 光学元件包括光入射到其中的透明体,以及在透明体内部实现的分束器层,该层在工作波长范围内具有预定的波长相关反射率,依次反射进入透明体的光 以产生反射的出射光束和透射进入透明体的光的波长相关透射率,以产生透射的出射光束。 光学元件包括补偿层布置,该透明体与分束器层分开实现,透射体相对于通过补偿层布置的光的透射率被定义为分束器层的反射率和透射率的函数。