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Calculations of Fraunhofer diffraction by irregularly shaped particles
Received date: 2010-07-02
Revised date: 2010-10-25
Online published: 2011-07-15
Calculations of the Fraunhofer diffraction integrals for the translucent particles of irregular shape are discussed. Three kinds of new 1D contour integral for diffraction are derived by means of scalar Kirchhoff theory, and they are equivalent to each other and can get rid of the drawbacks of regional division in usual 2D surface integrals. Finally, analytical formula of diffraction integrals for the particles with arbitrarily polygonal projection are obtained.
Key words： diffraction; polygon; contour integration
ZHAO Jian-Qi . Calculations of Fraunhofer diffraction by irregularly shaped particles[J]. Journal of University of Chinese Academy of Sciences, 2011 , 28(4) : 462 -466 . DOI: 10.7523/j.issn.2095-6134.2011.4.006
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