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    • 6. 发明授权
    • Light source device using optical fibers
    • 使用光纤的光源装置
    • US06375343B1
    • 2002-04-23
    • US09373551
    • 1999-08-13
    • Shigeki FujisawaMasayoshi MikamiKatsumi Nakamori
    • Shigeki FujisawaMasayoshi MikamiKatsumi Nakamori
    • G01C932
    • A61C19/004G02B6/0006G02B6/4298
    • A light source device using an optical fiber in which the light emitted from a filament lamp is incident on the end face of the optical fiber with high efficiency is achieved by using a reflector which is an ellipsoid of revolution having first and second focal points, the filament coil of the lamp being located at the first focal point and the end face of the optical fiber being located at a second focal point. Furthermore, the area of the filament of the filament lamp A (mm2), an area of the incidence face of the optical fiber B (mm2), and a value of a focal length C, set as a distance between an apex of the reflector and the first focal point divided by a distance between the apex of the reflector and the second focal point, have a relationship with respect to each other such that a constant a defined by the relationship: &agr;=A×(C/B) has a value that is less than or equal to 20.
    • 使用其中从灯丝灯发出的光以高效率入射到光纤的端面上的光纤的光源装置通过使用具有第一和第二焦点的具有旋转椭圆的反射器来实现, 灯的灯丝线圈位于第一焦点处,光纤的端面位于第二焦点处。 此外,灯丝灯A的长丝的面积(mm2),光纤B的入射面的面积(mm2)和焦距C的值,设定为反射器的顶点之间的距离 并且第一焦点除以反射器的顶点和第二焦点之间的距离,彼此之间具有关系,使得由关系定义的常数a具有小于或等于20的值 。