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Articles

Stress and wavefront measurement of large-aperture optical components with a ptychographical iterative engine

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By Cheng Liu, J. G Zhu, Xiaomeng Sun, Quantang Fan
| optica.org
Abstract The clamping stress of large-aperture optical elements has a significant influence on the optical quality of the system. In this study, a comprehensive measurement system combined with ptychographical iterative engine (PIE) wavefront sensors and polarization components is developed to determine the stress distribution of the optical elements and its effect on the transmitted and reflected wavefronts.
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