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Proceedings Paper

Development of a real time MTF test bench for visible optical systems
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Paper Abstract

A real-time MTF test bench for visible optical systems is presented in this paper. This test bench can perform quick on-axis and off-axis MTF measurement of optical systems whose aperture are less than 200mm in visible wavelength. A high quality off-axis parabolic collimator is used as object generator of this test bench. The image analyzer is a microscopy with CCD camera installed on a multi-axis motion stage. The software of this MTF test bench provides a good interface for the operators to set measurement parameters and control this bench. Validation of this test bench, performed with a 50mm plano-convex audit lens, shows that MTF measurement error of this bench is within 0.04. Besides MTF measurement, this bench can also perform effective focal length (EFL) and back focal length (BFL) without any hardware modification. Transmittance of optical system can also be performed on this bench with an integrating sphere.

Paper Details

Date Published: 9 November 2010
PDF: 7 pages
Proc. SPIE 7849, Optical Design and Testing IV, 784926 (9 November 2010); doi: 10.1117/12.870157
Show Author Affiliations
Xinhua Chen, Soochow Univ. (China)
Jiangsu Key Lab. of Modern Optical Technology (China)
Yuheng Chen, Soochow Univ. (China)
Jiangsu Key Lab. of Modern Optical Technology (China)
Jiming Fan, Soochow Univ. (China)
Jiangsu Key Lab. of Modern Optical Technology (China)
Chunchang Xiang, Soochow Univ. (China)
Jiangsu Key Lab. of Modern Optical Technology (China)
Weimin Shen, Soochow Univ. (China)
Jiangsu Key Lab. of Modern Optical Technology (China)


Published in SPIE Proceedings Vol. 7849:
Optical Design and Testing IV
Yongtian Wang; Julie Bentley; Chunlei Du; Kimio Tatsuno; Hendrik P. Urbach, Editor(s)

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