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physics.optics2025
Unifying and accelerating level-set and density-based topology optimization by subpixel-smoothed projection
Alec M. Hammond, Ardavan Oskooi, Ian M. Hammond +3
We introduce a new "subpixel-smoothed projection" (SSP) formulation for differentiable binarization in topology optimization (TopOpt) as a drop-in replacement for previous projecti…
physics.optics2020★ 2 cited
Modeling lasers and saturable absorbers via multilevel atomic media in the Meep FDTD software: Theory and implementation
Alexander Cerjan, Ardavan Oskooi, Song-Liang Chua +1
This technical note describes the physical model, numerical implementation, and validation of multilevel atomic media for lasers and saturable absorbers in Meep: a free/open-source…