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High dynamic range imaging, amplitude and phase control

机译:高动态范围成像,幅度和相位控制

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The ultimate limitation of visible light high-dynamic-range imaging systems such as shaped pupil coronagraphs comes from scattering caused by imperfections in the optical surfaces of the collecting system, and from the non-uniform reflectivity of those surfaces. This paper focuses on the correction of these imperfections using two deformable mirrors in a zero path length difference Michelson interferometer. Simulations show the advantages and limitations of introducing such a device into a wavefront control loop. Laboratory work shows progres towards high resolution amplitude control.
机译:可见光高动态范围成像系统(如定型瞳孔日光检查仪)的最终局限性是由于收集系统光学表面缺陷造成的散射,以及这些表面的反射率不均匀所致。本文着重于在零光程长度差迈克尔逊干涉仪中使用两个可变形反射镜校正这些缺陷。仿真显示了将这种设备引入波前控制环路的优势和局限性。实验室工作显示了对高分辨率振幅控制的进步。

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