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Second-order supporting quadric method for designing freeform refracting surfaces generating prescribed irradiance distributions
Albert A. Mingazov, Dmitry A. Bykov, Evgeni A. Bezus +1
We consider the inverse problem of calculating a refracting surface that generates a prescribed irradiance distribution in the far field for a collimated incident beam. This proble…
Topological properties of reflection zeros of optical differentiators based on layered metal-dielectric-metal structures
Artem I. Kashapov, Evgeni A. Bezus, Dmitry A. Bykov +2
We investigate the topological properties of reflection zeros of three-layer structures consisting of a dielectric layer sandwiched between two metal layers, which can be used as o…
How many parameters do we need to obtain a BIC in symmetric and asymmetric structures?
Dmitry A. Bykov, Evgeni A. Bezus, Albert A. Mingazov +1
Photonic bound states in the continuum (BICs) are nonradiating eigenmodes of structures with open scattering channels. Most often, BICs are studied in highly symmetric structures w…