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    • 1. 发明申请
    • WAVELENGTH FILTER USING LIGHT COUPLER AND OPTICAL RESONATOR
    • 使用光耦合器和光学谐振器的波长滤波器
    • WO01084199A2
    • 2001-11-08
    • PCT/US2001/013736
    • 2001-04-30
    • G02B6/34G02B6/293
    • G02B6/29332G02B6/29337G02B6/29352
    • An optical filter is disclosed which uses an integral GT resonator and fiber coupler to form a Michelson interferometer. The coupler will divide the light into two arms, with one arm being reflected by a high reflectance mirror, and the other arm being reflected by a GT resonator. The size of the arms and the spacing of the resonator determines the filtering characteristics of the filter. Tuning the filter is accomplished by illuminating a photosensitive fiber material that is used to form a portion of the filter. Illumination causes the refractive index of the material to change, and thereby changes the effective length of the fiber, which in turn adjusts or tunes the characteristics of the filter.
    • 公开了一种使用集成的GT谐振器和光纤耦合器来形成迈克尔逊干涉仪的滤光器。 耦合器将光分成两个臂,一个臂由高反射镜反射,另一个臂由GT谐振器反射。 臂的尺寸和谐振器的间距决定了滤波器的滤波特性。 通过照射用于形成过滤器的一部分的感光纤维材料来实现调谐过滤器。 照明使材料的折射率发生变化,从而改变光纤的有效长度,从而改变滤光器的特性。
    • 4. 发明申请
    • WAVEGUIDE-INTEGRATED TUNEABLE OPTICAL FILTER
    • WO2017148937A1
    • 2017-09-08
    • PCT/EP2017/054631
    • 2017-02-28
    • UNIVERSITY OF COPENHAGEN
    • MIDOLO, LeonardoSTOBBE, SørenLODAHL, Peter
    • G02B6/12G02B6/293
    • G02B6/12007G02B6/12004G02B6/29337G02B6/29356G02B6/29395
    • A tuneable optical filter (10, 110, 210, 310, 410) comprising an input waveguide (12, 412), an optical power coupler (14, 414), and two substantially parallel photonic crystal waveguides (16, 416; 18, 418) is disclosed. The optical power coupler (14, 414) is optically coupled between the input waveguide (12, 412) and the two parallel photonic crystal waveguides (16, 416; 18, 418), and the optical power coupler (14, 414) is adapted to split incoming light from the input waveguide (12, 412) into two in-phase light outputs, which are coupled to the two parallel photonic crystal waveguides (16, 416; 18, 418). The tuneable optical filter further comprises an actuator (36, 136, 236, 336, 436), which is arranged and adapted to be able to vary a spacing (d) between the two waveguides (16, 416; 18, 418).
    • 包括输入波导(12,412),光功率耦合器(14,414)和两个基本上平行的光子晶体波导的可调光滤波器(10,110,210,310,410) (16,416; 18,418)。 光功率耦合器(14,414)光耦合在输入波导(12,412)和两个平行光子晶体波导(16,416; 18,418)之间,并且适配光功率耦合器(14,414) 以将来自输入波导(12,412)的入射光分成耦合到两个平行光子晶体波导(16,416; 18,418)的两个同相光输出。 可调谐滤光器进一步包括致动器(36,136,236,336,436),该致动器被布置并且适于能够改变两个波导(16,416; 18,418)之间的间距(d)。 / p>
    • 9. 发明申请
    • PHOSPHOR-BASED LAMPS FOR PROJECTION DISPLAY
    • 基于磷光体的投影显示屏
    • WO2014014605A2
    • 2014-01-23
    • PCT/US2013/046492
    • 2013-06-19
    • WAVIEN, INC.LI, KennethINATSUGU, Seiji
    • LI, KennethINATSUGU, Seiji
    • F21V9/00G03B21/14
    • G03B21/204F21K9/64F21K9/65F21V7/00F21V7/0025F21V7/045F21V7/06F21V9/00F21V9/30F21V29/58F21V29/59F21Y2113/13F21Y2115/10G02B5/12G02B6/29337G02B6/4269G02B23/105G02B27/283G03B21/14G03B21/2066G03B21/28
    • A phosphor-based lamp includes a phosphor material and an excitation source, which may be a laser or an LED, or both. Preferably, the lamp includes a recycling collar to reflect and recycle high angle light to increase brightness. Preferably, when the excitation source is a laser, a beam splitter redirects the laser beam to direct the laser beam through the recycling collar aperture onto the phosphor material. Light emitted by the phosphor material which exits the aperture passes through the beam splitter as the output of the lamp. Alternatively, lenses are used to redirect the laser beam around the recycling collar towards the phosphor material. Preferably, a plurality of excitation lasers are disposed around the recycling collar and aimed either to direct their outputs onto the phosphor material or toward an opposing wall, where the outputs are reflected onto the phosphor material. Such lamp may be used as part of a projection system. In one embodiment, the phosphor material is contained on the color wheel.
    • 磷光体灯包括磷光体材料和可以是激光或LED的激发源,或两者。 优选地,灯包括用于反射和再循环高角度光以增加亮度的再循环环。 优选地,当激发源是激光器时,分束器重新定向激光束以将激光束通过再循环圈孔引导到磷光体材料上。 离开孔径的荧光材料发射的光通过分束器作为灯的输出。 或者,透镜用于将激光束围绕回收环圈朝向磷光体材料重定向。 优选地,多个激发激光器设置在再循环环绕周围并且旨在将其输出引导到磷光体材料上或朝向相对的壁,其中输出被反射到磷光体材料上。 这种灯可以用作投影系统的一部分。 在一个实施例中,荧光体材料被包含在色轮上。