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Proceedings Paper

Modulation transfer function measurement technique for image sensor arrays
Author(s): Hui Jin; Huilin Jiang; XiaoHui Zhang
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Paper Abstract

A new technique is demonstrated for measurement of modulation transfer function (MTF) on image sensor arrays. Fourier analysis of a low frequency bar target pattern is used to extract MTF at odd harmonics of a target pattern frequency up to and beyond Nyquist. The technique is particularly useful for linear image arrays (either conventional linescan or time-delay- integration devices) where conventional slanted-edge technique is not always applicable. The technique is well suited to simple implementation and can provide live presentation of the MTF curve, which helps to ensure optimal alignment conditions are achieved. Detailed analysis of the technique and demonstration of experimental results are presented.

Paper Details

Date Published: 28 December 2010
PDF: 7 pages
Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75441Q (28 December 2010); doi: 10.1117/12.886168
Show Author Affiliations
Hui Jin, Changchun Univ. of Science and Technology (China)
Changchun Institute of Optics, Fine Mechanics and Physics (China)
Huilin Jiang, Changchun Univ. of Science and Technology (China)
Changchun Institute of Optics, Fine Mechanics and Physics (China)
XiaoHui Zhang, Changchun Univ. of Science and Technology (China)
Changchun Institute of Optics, Fine Mechanics and Physics (China)


Published in SPIE Proceedings Vol. 7544:
Sixth International Symposium on Precision Engineering Measurements and Instrumentation

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