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Proceedings Paper

Choice of best double-ringed aperture diaphragm by measurement of optical transfer function
Author(s): Jue Wang; Yanying Zhu; Dexin Zhao
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Paper Abstract

A simple photoelectric system is devised in this essay. An optimum diaphragm is chosen through measuring the optical transfer function of double-ringed diaphram in different dimension. In this way, it is proved that the quality of speckle pattern diffraction halos can be increased and a complex calculation can be avoided. The calculation and the photos provided here prove the reliability of the measurement.

Paper Details

Date Published: 3 October 1996
PDF: 5 pages
Proc. SPIE 2899, Automated Optical Inspection for Industry, (3 October 1996); doi: 10.1117/12.253076
Show Author Affiliations
Jue Wang, Yanshan Univ. (China)
Yanying Zhu, Yanshan Univ. (China)
Dexin Zhao, Yanshan Univ. (China)


Published in SPIE Proceedings Vol. 2899:
Automated Optical Inspection for Industry
Frederick Y. Wu; Shenghua Ye, Editor(s)

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