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    • 9. 发明授权
    • Phase control of a fiber optic bundle
    • 光纤束的相位控制
    • US08229304B1
    • 2012-07-24
    • US12433051
    • 2009-04-30
    • David M. PepperMonica Minden
    • David M. PepperMonica Minden
    • H04B10/06
    • H04B10/61
    • A coherent laser receiver for receiving encoded light which may have propagated over an aberrated path, situated between a source of the encoded light and the coherent receiver. The coherent laser receiver comprises a bundle of optical fibers arranged in an array to receive light, as encoded from a distant optical transmitter or reflective surface, the encoded light from the distant optical transmitter or reflective surface is received by at least a majority of the fibers in the array. A plurality of light amplifiers is provided for amplifying the received encoded light. A control apparatus coherently combines a composite output of the bundle of optical fibers, the control apparatus includes at least one detector for detecting the a portion of the received encoded light, an output of the at least one detector being utilized to control the plurality of light amplifiers so that differential phases among individual fibers associated with said at least one detector in the bundle are minimized by said light amplifiers. A coherent detector is responsive to the composite output of the bundle for providing an output signal representative of the encoded information from the source.
    • 一种相干激光接收机,用于接收编码的光,该编码光可以在位于编码光源和相干接收器之间的像差路径上传播。 相干激光接收机包括布置成阵列的光纤束,以从远距离光发射器或反射表面编码接收光,来自远距离光发射器或反射表面的编码光被至少大部分光纤接收 在阵列中。 多个光放大器用于放大所接收的编码光。 控制装置相干地组合光纤束的复合输出,该控制装置包括至少一个用于检测接收的编码光的一部分的检测器,该至少一个检测器的输出用于控制多个光 放大器,使得与束中的所述至少一个检测器相关联的各个光纤中的差分相位被所述光放大器最小化。 相干检测器响应于束的复合输出,以提供表示来自源的编码信息的输出信号。