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Proceedings Paper

Validity of the scalar Kirchhoff and Rayleigh-Sommerfeld diffraction theories in the nearfield of small phase objects of finite thickness
Author(s): Michael Totzeck
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Paper Abstract

The properties of complex systems of integrated optics depend mainly on the nearfields of the components, if their distances are less than a few wavelengths. For field-calculations the Kirchhoff and the Rayleigh-Sommerfeld diffraction theories may be applied also to phase objects. Usually these are assumed to be "thin" ; then in the "object plane" the incident wave may be multiplied with the complex object transmittance (Kirchhoff's boundary conditions). But, in general, this approximation leads to deviations; these are investigated for small phase objects (n-i << 1, Ac < 20°) of finite thickness.

Paper Details

Date Published: 1 July 1990
PDF: 1 pages
Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); doi: 10.1117/12.22232
Show Author Affiliations
Michael Totzeck, Optisches Intitut der TU Berlin (Germany)


Published in SPIE Proceedings Vol. 1319:
Optics in Complex Systems
F. Lanzl; H.-J. Preuss; G. Weigelt, Editor(s)

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