26 May 1995 Three-dimensional reflective-notching simulation using multipole-accelerated physical optics approximation
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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.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael S. Yeung, Michael S. Yeung, Andrew R. Neureuther, Andrew R. Neureuther, } "Three-dimensional reflective-notching simulation using multipole-accelerated physical optics approximation", Proc. SPIE 2440, Optical/Laser Microlithography VIII, (26 May 1995); doi: 10.1117/12.209271; https://doi.org/10.1117/12.209271


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