Large dynamic range wavefront sensing using Shack-Hartmann wavefront sensor based on pattern correlations

Yusuke Saita; Takanori Nomura

doi:10.1117/12.2326269

5 November 2018 Large dynamic range wavefront sensing using Shack-Hartmann wavefront sensor based on pattern correlations

Yusuke Saita, Takanori Nomura

Author Affiliations +

Proceedings Volume 10815, Optical Design and Testing VIII; 108150D (2018) https://doi.org/10.1117/12.2326269
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

Abstract

Wavefront sensing techniques are mainly needed in an adaptive optics system for high resolution imaging. One of them is a Shack-Hartmann method which is composed of very simple structure. Although the method is widely utilized, it also has the limitation for the measurable magnitude of wavefront aberrations. To overcome the problem, the improved Shack-Hartmann method for larger aberrated wavefronts has been proposed. In this paper, the principle of the proposed method and the numerical evaluation of the performance of the proposed method are presented.

Citation Download Citation

Yusuke Saita and Takanori Nomura "Large dynamic range wavefront sensing using Shack-Hartmann wavefront sensor based on pattern correlations", Proc. SPIE 10815, Optical Design and Testing VIII, 108150D (5 November 2018); https://doi.org/10.1117/12.2326269

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