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Analysis of wavefront reconstruction in 8-meter ring solar telescope
Dai YC(戴懿纯); Jin ZY(金振宇)
Source PublicationProceedings of SPIE - ADAPTIVE OPTICS SYSTEMS V
Author of SourceMarchetti, E; Close, LM; Veran, JP
Contribution Rank第1完成单位
Indexed ByEI ; CPCI
Conference NameConference on Adaptive Optics Systems V
Conference Date2016-06-26
Conference PlaceEdinburgh, SCOTLAND
Conference SponsorSPIE
KeywordSolar Telescope Annular Aperture Adaptive Optics Wavefront Sensing Modal Reconstruction Zonal Reconstruction

Chinese Giant Solar Telescope (CGST) is the next generation infrared and optical solar telescope of China, which is proposed and pushed by the solar astronomy community of China and listed into the National Plans of Major Science and Technology Infrastructures. CGST is currently proposed to be an 8 meter Ring Solar Telescope (RST) with width of 1 meter, the hollow and symmetric structure of such an annular aperture facilitates the thermal control and high precision magnetic field measurement for a solar telescope. Adaptive optics (AO) is an indispensable tool of RST to obtain diffraction limited observations. How to realize AO involved wavefront sensing and correcting, and the degree of compensating in a narrow annular aperture is the primary problem of AO implementation of RST. Wavefront reconstruction involved problems of RST are first investigated and discussed in this paper using end to end simulation based on Shack-Hartmann wavefront sensing (SHWFS). The simulation results show that performance of zonal reconstruction with measurement noise no more than 0.05 arc sec can meets the requirement of RST for diffraction-limited imaging at wavelength of 1 mu m, which satisfies most science cases of RST in near infrared waveband.

Funding ProjectNSFC[11303090] ; CAS[KJCX2-EW-T07] ; MOST of China[2011CB811400]
Funding OrganizationNSFC ; CAS ; MOST of China
Subject Area物理学 ; 光学 ; 天文学 ; 天文学其他学科
MOST Discipline Catalogue理学::物理学 ; 理学::天文学
SubtypeProceedings Paper
Publication Place1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
WOS IDWOS:000387429700117
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Applied
WOS KeywordOrthonormal Polynomials ; Zernike Polynomials ; Simulation
EI Accession Number20165003109440
EI KeywordsAdaptive Optics
EI Classification Number741.1light/optics - 942.4magnetic Variables Measurements
Citation statistics
Document Type会议论文
Corresponding AuthorDai YC(戴懿纯)
AffiliationYunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, Kunming, China, 650011
Recommended Citation
GB/T 7714
Dai YC,Jin ZY. Analysis of wavefront reconstruction in 8-meter ring solar telescope[C]//Marchetti, E; Close, LM; Veran, JP. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2016.
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