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Proceedings Paper

Three-dimensional reflective-notching simulation using multipole-accelerated physical optics approximation
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Paper Abstract

This paper discusses a new formulation of the Fast Multipole Method of 3D topography scattering in the physical-optics approximation. The novelty of this formulation lies in the use of generalized Sommerfeld integrals to represent the vector multipole waves. This technique allows 3D reflective-notching simulation to be done on an ordinary workstation in O(N3/2) time, where N is the number of nodes on the surface of the topography. Simulation results for 3D topography with different slope angles are presented. The simulated reflective-notching effects were found to be consistent with a ray-optics model.

Paper Details

Date Published: 26 May 1995
PDF: 15 pages
Proc. SPIE 2440, Optical/Laser Microlithography VIII, (26 May 1995); doi: 10.1117/12.209271
Show Author Affiliations
Michael S. Yeung, Univ. of California/Berkeley (United States)
Andrew R. Neureuther, Univ. of California/Berkeley (United States)


Published in SPIE Proceedings Vol. 2440:
Optical/Laser Microlithography VIII
Timothy A. Brunner, Editor(s)

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