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Proceedings Paper

Approximated calculation of Fresnel function and Collins integral
Author(s): Junchang Li; LiXia Yuan
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Paper Abstract

In this paper, the approximated expression of Fresnel Function is given, and that the Collins Integral for diffraction calculation can be expressed by Fresnel Function with sufficient accuracy is approved. Using this methods, in many cases the diffraction calculation could be simplified notably. Finally, the comparison of a diffraction example among the ordinary calculation, simplified calculation and experiment measurement is accomplished.

Paper Details

Date Published: 12 September 2002
PDF: 9 pages
Proc. SPIE 4915, Lasers in Material Processing and Manufacturing, (12 September 2002); doi: 10.1117/12.482861
Show Author Affiliations
Junchang Li, Kunming Univ. of Science and Technology (China)
LiXia Yuan, Kunming Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 4915:
Lasers in Material Processing and Manufacturing
ShuShen Deng; Tatsuo Okada; Klaus Behler; XingZong Wang, Editor(s)

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