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    • 3. 发明申请
    • REFLECTIVE NON-PARABOLOIDAL BEAM-SHAPING OPTICS
    • 反射非PARABOLOIDAL BEAM形状光学
    • WO2016115526A1
    • 2016-07-21
    • PCT/US2016/013709
    • 2016-01-15
    • SUREFIRE, LLC
    • SHATZ, NarkisBORTZ, John C.MATTHEWS, John W.
    • F21V7/04F21V7/00F21V7/09
    • F21V7/048F21V7/0075F21V7/04F21V7/09
    • A lighting device may include a light source and a reflective optical element. The reflective optical element may have a reflective internal surface that defines a cavity. The internal surface may include longitudinal undulations. The internal surface may be faceted or non-faceted. The light source may be at least partially disposed in the cavity. The shape profile of the internal reflective surface in any plane containing the surface's symmetry axis may be non-paraboloidal and may exhibit undulations running along its length. The reflective optical element may be a monolithic structure and may be a beam-shaping reflector that generates a light beam that, in comparison with a paraboloidal reflector having the same hole size, aperture size, and light source, is relatively fainter at small off-axis angles, brighter at mid-range off-axis angles, and fainter at large off-axis angles than a light beam generated by the paraboloidal reflector. Related methods are provided.
    • 照明装置可以包括光源和反射光学元件。 反射光学元件可以具有限定空腔的反射内表面。 内表面可包括纵波纹。 内表面可以是刻面的或非平面的。 光源可以至少部分地设置在空腔中。 包含表面对称轴的任何平面中的内部反射表面的形状轮廓可以是非抛物线的并且可以表现出沿其长度延伸的波动。 反射型光学元件可以是单片结构,并且可以是产生光束的光束整形反射器,其与具有相同孔尺寸,孔径尺寸和光源的抛物面反射器相比,在较小的偏离下相对较弱, 轴角度在中距离离轴角度处更亮,并且在离抛物面反射器产生的光束的大离轴角度处较弱。 提供相关方法。