Phase-diversity wave-front sensing with a distorted diffraction grating

Paul M. Blanchard, David J. Fisher, Simon C. Woods, Alan H. Greenaway

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)

Abstract

We describe a novel wave-front sensor comprising a distorted diffraction grating, simple optics, and a single camera. A noniterative phase-diversity algorithm is used for wave-front reconstruction. The sensor concept and practical implementation are described in detail, and performance is validated against different Zernike modes and a representative atmospheric phase map. © 2000 Optical Society of America.

Original languageEnglish
Pages (from-to)6649-6655
Number of pages7
JournalApplied Optics
Volume39
Issue number35
Publication statusPublished - 10 Dec 2000

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