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    • 2. 发明授权
    • Reverse flared optical coupling member for use with a high brightness
light source
    • 反向扩口光耦合构件,用于高亮度光源
    • US5479545A
    • 1995-12-26
    • US859176
    • 1992-03-27
    • John M. DavenportRichard L. HanslerKenneth S. KingJohn W. Munk, Jr.Richard C. Nagle
    • John M. DavenportRichard L. HanslerKenneth S. KingJohn W. Munk, Jr.Richard C. Nagle
    • G02B6/00F21V8/00G02B6/28G02B6/42G02B27/00G02B6/26
    • G02B6/4298G02B6/0005G02B6/2808Y10S385/901
    • An optical coupling assembly is useful for coupling a source of light, having high brightness and being non-coherent and focussed at a focal plane, to a plurality of optical light conductors. The coupling assembly includes an elongated light transmissive coupling member which has a central longitudinal axis and is disposed between the focal plane of the light source and leading ends of the optical light conductors. The coupling member includes oppositely flared front and rear end portions and a middle portion disposed along the longitudinal axis, with the middle portion extending between and connected to the front and rear end portions. The coupling member can have either a solid or tubular configuration. The middle portion of the coupling member has cylindrical shape and cross-sectional size of uniform dimensions and being less than the respective cross-sectional sizes of an inlet end of the front end portion and an outlet end of the rear end portion. The front end portion of the coupling member can have either a frusto-conical or parabolic shape, whereas the rear end portion can have a frusto-conical or parabolic shape being oriented in the reverse of the frusto-conical or parabolic shape of the front end portion. The rear end portion has a greater axial length than the front end portion and the outlet end of the rear end portion is larger in size than the inlet end of the front end portion.
    • 光耦合组件可用于将具有高亮度且不相干并聚焦在焦平面上的光源耦合到多个光导体。 联接组件包括细长的光透射耦合构件,其具有中心纵向轴线并且设置在光源的焦平面和光导体的前端之间。 联接构件包括相对扩张的前端部和后端部以及沿着纵向轴线设置的中间部分,中间部分在前后端部之间延伸并连接到前端部和后端部。 联接构件可以具有固体或管状构造。 联接构件的中间部分具有圆柱形形状和尺寸均匀的横截面尺寸,并且小于前端部分的入口端和后端部分的出口端的相应横截面尺寸。 联接构件的前端部分可以具有截头圆锥形或抛物线形状,而后端部分可以具有与前端的截头圆锥形或抛物线形状相反的截头圆锥形或抛物线形状 一部分。 后端部具有比前端部更大的轴向长度,并且后端部的出口端的尺寸大于前端部的入口端。