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    • 5. 发明公开
    • LIGHTPIPE FOR SEMI-ACTIVE LASER TARGET DESIGNATION
    • HOHLLICHTLEITERFÜRHALBAKTIVE LASERZIELBESTIMMUNG
    • EP2507580A1
    • 2012-10-10
    • EP10742937.5
    • 2010-07-28
    • Raytheon Company
    • DRYER, RichardPRESTON, Kenneth G.
    • F41G7/22G02B6/06
    • F41G7/226F41G7/2293G02B6/06
    • A semi-active laser (SAL) sensing system is provided that uses a lightpipe to pass received reflected laser light from an aperture to a detector. The lightpipe facilitates further miniaturization of the SAL sensing system by taking the place of a larger lens system that would otherwise be required. For example, the use of the lightpipe in a missile or guided projectile can facilitate the placement of the SAL sensing system with other sensors in the limited available space at the front of the missile. In one embodiment, the lightpipe is formed from cladded optical fibers that are bundled together, shaped, and fused together. The core material from the optical fibers are then dissolved away, leaving the outer cladding. This remaining outer cladding remains fused together, and maintains its shape, thus forming a lightpipe that can be used in a SAL sensing system.
    • 提供半激光(SAL)感测系统,其使用光管将接收的反射的激光从孔传递到检测器。 光管通过代替另外需要的更大的透镜系统来促进SAL感测系统的进一步小型化。 例如,在导弹或引导射弹中使用光管可以有助于将SAL感测系统与其他传感器放置在导弹前面的有限可用空间中。 在一个实施例中,光管由捆包在一起形成并熔合在一起的包层光纤形成。 然后将来自光纤的芯材溶解掉,留下外包层。 这种剩余的外包层保持熔合在一起,并保持其形状,从而形成可用于SAL感测系统中的光管。