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Phase mask with continuous azimuthal variation for a coronagraph imaging system
Phase mask with continuous azimuthal variation for a coronagraph imaging system
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机译：冠状动脉成像系统的具有连续方位角变化的相位掩模
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摘要
Systems and methods for shifting the phase of incident light to induce a continuous phase variation in an azimuthal direction. A phase mask assembly has a first surface and a second surface. The first surface and the second surface are configured such that the distance between the first surface and the second surface varies continuously in an azimuthal direction around the phase mask. This mask can be used in a coronagraph system to effectively suppress the on-axis star image for the detection of off-axis planets.
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