An optical target to eliminate impinging light in a light scattering simulation

Based on the Convolutional perfectly matched layers (CPML) absorbing boundary condition algorithm that is implemented at the outer boundary of a light scattering simulation, we propose a numerical target that can eliminate light impinging upon it from arbitrary directions. To model light propagation...

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Published in:Computer physics communications 2014-10, Vol.185 (10), p.2504-2509
Main Authors: Huang, Yi-An, Hung, Yu-Ting, Tseng, Snow H.
Format: Article
Language:English
Subjects:
Absorber
Absorption
Algorithms
Boundaries
Computer simulation
Electromagnetic wave propagation in random media
Light scattering
Mathematical models
Maxwell’s equations
Perfectly matched layers
PML
Scattering
Wave fronts
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description Based on the Convolutional perfectly matched layers (CPML) absorbing boundary condition algorithm that is implemented at the outer boundary of a light scattering simulation, we propose a numerical target that can eliminate light impinging upon it from arbitrary directions. To model light propagation through random media to a specific position, elimination of light reaching the target position is necessary to prevent further reverberation through the simulation space and become a source of noise. Various factors that affect the performance of the optical target are analyzed, including shape of the wavefront and alignment of the impinging light. Simulation results show that incident light can be most effectively eliminated for incident wavefront normally impinging upon the optical target.
doi_str_mv 10.1016/j.cpc.2014.05.027
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subjects Absorber
Absorption
Algorithms
Boundaries
Computer simulation
Electromagnetic wave propagation in random media
Light scattering
Mathematical models
Maxwell’s equations
Perfectly matched layers
PML
Scattering
Wave fronts
title An optical target to eliminate impinging light in a light scattering simulation
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