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Sequence of phase correction in multiconjugate adaptive optics

机译:多共轭自适应光学中的相位校正序列

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摘要

The way in which the sequence of phase correction impinges on performance in multiconjugate adaptive optics systems is described. When multiple phase modulators with different conjugate ranges are used, the conjugate images of the phase modulators in the atmosphere must be reimaged in the reverse order post focus, and adaptive phase correction applied in this sequence for perfect amplitude and phase cancellation. Performing the correction without relay optics results in residual amplitude and phase aberrations. It is shown, by Monte Carlo simulations of Fresnel propagation, that the effects of wave optical propagation become nonnegligible at visible wavelengths and for large air masses.
机译:描述了相位校正序列影响多共轭自适应光学系统性能的方式。当使用具有不同共轭范围的多个相位调制器时,大气中相位调制器的共轭图像必须以聚焦后的逆序重新成像,并且为了实现最佳幅度和相位消除,必须按此顺序应用自适应相位校正。在没有中继光学器件的情况下执行校正会导致残留振幅和相位像差。通过蒙特卡洛模拟的菲涅耳传播表明,在可见波长和大空气质量下,波光学传播的影响变得不可忽略。

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