| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Optical transfer function analysis of circular-pupil wavefront coding systems with separable phase masks |
| Zhao Ting-Yu(赵廷玉)a)†, Liu Qin-Xiao(刘钦晓)b), and Yu Fei-Hong(余飞鸿)b) |
a. Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, China;
b. Optical Engineering Department, Zhejiang University, Hangzhou 310027, China |
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Abstract This paper proposes a simple method to achieve the optical transfer function of a circular pupil wavefront coding system with a separable phase mask in Cartesian coordinates. Based on the stationary phase method, the optical transfer function of the circular pupil system can be easily obtained from the optical transfer function of the rectangular pupil system by modifying the cut-off frequency and the on-axial modulation transfer function. Finally, a system with a cubic phase mask is used as an example to illustrate the way to achieve the optical transfer function of the circular pupil system from the rectangular pupil system.
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Received: 10 January 2012
Revised: 06 February 2012
Accepted manuscript online:
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PACS:
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42.30.-d
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(Imaging and optical processing)
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42.30.Kq
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(Fourier optics)
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02.30.Mv
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(Approximations and expansions)
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| Fund: Project supported by the Natural Science Foundation of Zhejiang Province, China (Grant No. Y1110455), the Scientific Research Fund of Educational Department of Zhejiang Province, China (Grant No. Y200909691), and the Science Foundation of Zhejiang Sci-Tech University (Grant No. 0913849-Y). |
Corresponding Authors:
Zhao Ting-Yu
E-mail: zhaotingyu@zstu.edu.cn
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Cite this article:
Zhao Ting-Yu(赵廷玉), Liu Qin-Xiao(刘钦晓), and Yu Fei-Hong(余飞鸿) Optical transfer function analysis of circular-pupil wavefront coding systems with separable phase masks 2012 Chin. Phys. B 21 064203
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