Zernike phase sensor for phasing of segmented telescopes

T. Huang, W. Lu, S. Zhang, A. H. Greenaway

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We study an adaptive dynamical feedback system for phasing of segmented mirrors. The system, which combines a Zernike wave front sensor with a feedback loop, is shown to be capable of separating (static) misalignment errors of segmented mirrors from (dynamical) atmospheric turbulence. Our numerical simulations establish that it can retrieve multi-wave segment misalignment error in the presence of large-amplitude atmospheric phase distortion. © Springer-Verlag 2007.

Original languageEnglish
Pages (from-to)139-145
Number of pages7
JournalApplied Physics B: Lasers and Optics
Volume86
Issue number1
DOIs
Publication statusPublished - Jan 2007

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