Rough surface scattering simulations using graphics cards

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Authors

KLAPETEK Petr VALTR Miroslav PORUBA Aleš NEČAS David OHLÍDAL Miloslav

Year of publication 2010
Type Article in Periodical
Magazine / Source Applied Surface Science
MU Faculty or unit

Faculty of Science

Citation
Field Optics, masers and lasers
Keywords FDTD;graphics processing unit
Description In this article we present results of rough surface scattering calculations using a graphical processing unit implementation of the Finite Difference in Time Domain algorithm. Numerical results are compared to real measurements and computational performance is compared to computer processor implementation of the same algorithm. As a basis for computations, atomic force microscope measurements of surface morphology are used. It is shown that the graphical processing unit capabilities can be used to speedup presented computationally demanding algorithms without loss of precision.
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