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X-RAY PROPAGATION IN TAPERED PLANAR WAVEGUIDE

ANDREI DOLOCAN

Physik Institut, Universität Zürich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland

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J. FRISO VAN DER VEEN

Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland

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https://doi.org/10.1142/S0217979203018156Cited by:0 (Source: Crossref)

Abstract

The present paper focuses on the tapered planar waveguide solution for an initial given wave form. The algorithm is constructed in distributions space such that the calculations can be actually computed by taking some hypothesis regarding the mode series which appear. The whole argument leads to the conclusion that the wave is compressed towards the waveguide in the direction of tilting, leading thereafter to a focusing phenomena. We present two alternative constructions in order to compute the convolution which gives the wave inside the waveguide. The hypothesis are providing results in good approximation with the real evolution of the field within the definition domain.

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