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Chin. Opt. Lett.
 Home  List of Issues    Issue 08 , Vol. 02 , 2004    Average modulation transfer function of line-array fiber-optic image bundles

Average modulation transfer function of line-array fiber-optic image bundles
Hui Wang1;2;3, Yang Xiang1, Bingxi Yu1
1State Key Lab for Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 1300332Graduate School of the Chinese Academy of Sciences, Beijing 1000393Aviation University of Air Force, Changchun 130022

Chin. Opt. Lett., 2004, 02(08): pp.453-453-

Topic:Image processing
Keywords(OCIS Code): 060.2360  110.4100  350.5030  

The imagequality evaluation in fiber-optic image bundles was addressed by the modulation transfer function (MTF). With the definition of the contrast transfer function (CTF), the MTF model of line-array fiber-optic image bundles was established and analyzed numerically. The average MTF was carefully evaluated by considering the influence of phase match on the MTF between input pattern and fiber-optic image bundles. In this paper, the average MTF is mean arithmetical value on the MTFs of eight different phases. The results show that, for certain fiber diameter and spatial frequency, the relationship between the core diameter and the average MTF is inverse proportion; for certain fiber cladding thickness, the relationship between the core diameter and the average MTF is also inverse proportion. And at Nyquist frequency, the MTF value is near 0.5.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Get Citation: Hui Wang, Yang Xiang, Bingxi Yu, "Average modulation transfer function of line-array fiber-optic image bundles," Chin. Opt. Lett. 02(08), 453-453-(2004)

Note: This work was supported by the National Natural Science Foundation of China (No. 60378015) and the Innovation Foundation of Chinese Academy of Sciences (No. C02L07Z). H. Wang's e-mail address is 315_wang_hui@sina.com.cn.


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