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Common path interferometric wavefront sensor for extreme adaptive optics
DOI:10.1364/OPEX.13.003491.png)
摘要
En 中文
We describe a method of implementing a common-path phase-shifting point diffraction interferometric wavefront sensor suitable for extreme adaptive optics. The sensor simultaneously gives two phase-shifted outputs which can be used to drive a phase-only wavefront corrector. The device can also give a null output which can be used to calibrate any scintillation. Simulations are performed showing the utility of the device and experimental results of a high speed single channel closed loop system are presented. (C) 2005 Optical Society of America.

