Zernike phase sensor for phasing of segmented telescopes

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

doi:10.1007/s00340-006-2485-6

Zernike phase sensor for phasing of segmented telescopes

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

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	139-145
Number of pages	7
Journal	Applied Physics B: Lasers and Optics
Volume	86
Issue number	1
DOIs	https://doi.org/10.1007/s00340-006-2485-6
Publication status	Published - Jan 2007

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title = "Zernike phase sensor for phasing of segmented telescopes",

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AB - 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.

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Zernike phase sensor for phasing of segmented telescopes

Abstract

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