Multistage wavefront control for a segmented primary mirror with annular-sector subaperture

Details Multistage wavefront control for a segmented primary mirror with annular-sector subaperture Multistage wavefront control for a segmented primary mirror with annular-sector subaperture

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.6622e..41d&link_type=abstract

International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology. Edited by

Physics

Scientific paper

Segmented primary mirror has been widely used in high-resolution ground-based and space-based telescopes. In this paper, we mainly discuss the wavefront control issue for a segmented primary mirror with annular-sector subaperture. In order to balance the requirements of correction in amplitude and spatial frequency, we propose a multistage wavefront control strategy and allocate the wavefront errors in spatial frequency domain. The power spectral density (PSD) is calculated to obtain the spatial frequency information of wavefront aberrations. The feasibility of the control strategy is verified by numerical simulation.

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