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    • 2. 发明公开
    • Light source
    • 光源
    • EP2202778A2
    • 2010-06-30
    • EP09180606.7
    • 2009-12-23
    • Ushio Denki Kabushiki Kaisha
    • Yasuda, YukioSumitomo, TakuKato, Masaki
    • H01J61/02H01J65/04G03F7/20
    • H01J65/042G03F7/70016H01J61/025
    • A light source is provided. The light source includes: an elliptical reflection mirror (2) having first and second focal points; a discharge chamber (1) in which a luminescent substance is enclosed and which is disposed on the first focal point (F1); a laser light generator (4) which emits the laser light; and a laser light guide (3) which guides the laser light from an opening side of the elliptical reflection mirror (2) into the discharge chamber (1). The luminescent substance is excited by providing the laser light to the luminescent substance so as to emit light, and the light is reflected by the elliptical reflection mirror (2). The laser light guide is disposed in a shade area (L1-L2) in which the light reflected by the elliptical reflection mirror (2) is blocked by the discharge chamber (1).
    • 提供光源。 该光源包括:具有第一和第二焦点的椭圆反射镜(2) 放电室(1),其中封入发光物质并设置在第一焦点(F1)上; 激光发生器(4),其发射激光; 以及将来自椭圆反射镜(2)的开口侧的激光引导至放电室(1)的激光导光件(3)。 通过向发光物质提供激光以发光来激发发光物质,并且光被椭圆反射镜(2)反射。 激光光导被配置在由椭圆反射镜2反射的光被放电室1遮挡的遮光区域L1〜L2内。