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3D Vectorial Wide Angle BPM Utilizing a Multi-Grid Equation Solver

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Abstract

In this article, a 3D vectorial wide angle BPM is presented. By using an unconditionally stable Crank-Nicholson discretisation scheme in z-direction, a large, sparse linear equation system has to be solved for each propagation step. This can efficently be done by using a multi-grid equation solver. The application of the method is also shown.

© 1996 Optical Society of America

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