Validity of the scalar Kirchhoff and Rayleigh-Sommerfeld diffraction theories in the nearfield of small phase objects of finite thickness

Michael Totzeck

doi:10.1117/12.22232

1 July 1990 Validity of the scalar Kirchhoff and Rayleigh-Sommerfeld diffraction theories in the near-field of small phase objects of finite thickness

Michael Totzeck

Author Affiliations +

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.22232
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

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.

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Michael Totzeck "Validity of the scalar Kirchhoff and Rayleigh-Sommerfeld diffraction theories in the near-field of small phase objects of finite thickness", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.22232

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