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Generalizing Effective Point Spread Function and its Application to the Phase-Contrast Microscope |
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| Authors: | Masato Shibuya Hiroshi Ooki Kimihiro Saito Suezou Nakadate |
| Affiliation: | (1) Department of Photonic Information and Media Engineering, Faculty of Engineering, Tokyo Polytechnic University, 1583, Iiyama, Atsugi, Kanagawa 243-0297, Japan;(2) Imaging Technology Development Department, Optical Technology Headquarters, Nikon Corporation, 201-9, Oaza-mizugahara, Kumagaya, Saitama 360-8559, Japan;(3) Optical Disc Development Division, Sony Corporation, 6-7-35, Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan |
| Abstract: | Using weak diffraction approximation, we can derive the effective point spread function (EPSF) as the Fourier transform of transmission cross coefficient (TCC) and show that the characteristics of an optical imaging system can be prospectively understood with EPSF. Especially, the halo phenomenon can be more precisely understood. |
| Keywords: | EPSF point spread function OTF phase-contrast microscope partially coherent imaging weak diffraction approximation TCC |
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