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Proceedings Paper

Spot image based aberration retrieval method using parametric model of Point spread function
Author(s): Xinhua Chen; Weimin Shen
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Paper Abstract

Spot-image based aberration retrieval method determines aberration directly from optical system's spot image with no extra hardware. In this paper, we propose a new spot-image based aberration retrieval method using the parametric model of point spread function (PSF). This model is built with scalar diffraction integral and its Bessel series representation. In this model, complex amplitude of PSF is represented by linear combination of function series with Zernike coefficients of wave aberration at pupil plane. With this PSF model, intensity distribution of spot image can be calculated without fast Fourier transform or numerical integration. Conjugate gradient method is used in our aberration retrieval routine and the proposed method is simulated with MATLAB. The retrieval results are satisfying for both noise-free and noisy star image.

Paper Details

Date Published: 30 November 2011
PDF: 8 pages
Proc. SPIE 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 82011D (30 November 2011); doi: 10.1117/12.904788
Show Author Affiliations
Xinhua Chen, Soochow Univ. (China)
Weimin Shen, Soochow Univ. (China)


Published in SPIE Proceedings Vol. 8201:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems
Xinyong Dong; Xiaoyi Bao; Perry Ping Shum; Tiegen Liu, Editor(s)

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