We present a new technique for the design of transformation-optics devices based on large-scale optimization to achieve the optimal effective isotropic dielectric materials within prescribed index bounds, which is computationally cheap because transformation optics circumvents the need to solve Maxwell's equations at each step. We apply this technique to the design of multimode waveguide bends ...

Distributed Bragg Reflectors are optical structures capable of manipulating light behaviour, which formed by stacking layers thin-film materials. The inverse design such is desirable, but not straightforward using conventional numerical methods. This study explores the application Deep Learning to a six-layer system, through implementation Tandem Neural Network. challenge split into three secti...

In this paper, we present the design and optimization of a centrifugal fan with requirements maximizing total-to-static pressure rise efficiency at two operating points maximum torque provided by motor power using 3D inverse method, DOE (design experiment) study, an RSM (response surface model) MOGA (multi-objective genetic algorithm). The geometry is parametrized 13 parameters, 120 different d...