Some remarks on intensity calculations near the caustic

Author: Borwiñska Monika   Mulak Grażyna  

Publisher: Urban & Fischer

ISSN: 0030-4026

Source: Optik – International Journal for Light and Electron Optics, Vol.114, Iss.9, 2003-12, pp. : 413-417

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Abstract

Using various formulae describing the field near the caustic, the amplitude distribution along the direction perpendicular to the smooth branch of the caustic of A2 type was calculated and then compared with the results of numerical calculations based on the Kirchhoff integral.