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Linear phase retrieval for wave-front sensing
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DOI：10.1364/OL.23.000573.png)
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Phase retrieval from one or more intensity measurements is a potentially powerful and appealing technique for real-time adaptive-optics wave-front sensors. Under the assumption of small wave-front phase excursions, one is able to derive an exact solution to the inverse problem given three or more intensity measurements with known phase offsets. Applications include a high-order wave-front sensor to correct for residual aberrations in an adaptive-optics system in tandem with a low-resolution Hartmann-Shack wave-front sensor. The formula can also furnish mathematical insights into the full nonlinear phase-retrieval task. (C) 1998 Optical Society of America.
Keyword:
ADAPTIVE-OPTICS
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3.3
论文数:
4.0W
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7.6W
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