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1. 发明授权

US09544052B2 Simple low cost tip-tilt wavefront sensor having extended dynamic range 有权
标题翻译：简单的低成本尖端倾斜波前传感器具有扩展的动态范围
公开(公告)号：US09544052B2
公开(公告)日：2017-01-10
申请号：US13785441
申请日：2013-03-05
申请人： AOptix Technologies, Inc.
发明人： Malcolm J. Northcott , J. Elon Graves , Siegfried Fleischer , Paolo Zambon , Jeffrey Tuttle , Yu Chun Chang
IPC分类号： H04B10/08 , H04B17/00 , H04B10/112
CPC分类号： H04B10/1125
摘要： A low cost, high reliability system for correcting aberrations in optical signals is disclosed. A foreoptic assembly, such as a telescope, receives an incoming optical signal and directs it to an active optical element, such as a fast steering mirror. The incoming optical signal is diffracted by a diffractive optical element to shape the image that is formed at a wavefront sensor, such as a quad-cell. The wavefront sensor measures a tip-tilt aberration of the incoming optical signal and the active optical element is adjusted to correct the measured aberration. An outgoing optical signal can be transmitted along substantially the same optical path as the incoming optical signal, but in the opposite direction. Thus, the aberration measured from the incoming optical signal can be automatically accounted for in the outgoing optical signal.
摘要翻译：公开了一种用于校正光信号中的像差的低成本，高可靠性系统。诸如望远镜的前置组件接收输入光信号并将其引导到诸如快速转向镜的有源光学元件。入射光信号被衍射光学元件衍射以对形成在波前传感器（例如四单元）上的图像进行成形。波前传感器测量入射光信号的尖端倾斜像差，并且调整有源光学元件以校正测量的像差。出射光信号可以沿着与入射光信号基本相同的光路而沿相反方向传输。因此，可以在出射光信号中自动考虑从入射光信号测量的像差。

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