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Nanostructured optical resonators allows colors on surfaces to be controlled precisely by geometric control using advanced nanofabrication tools. With components consisting of metals, and dielectrics, a range of different nanostructure designs have been investigated in its ability to generate colors when white light reflects off the surfaces. For instance, the original structures for plasmonic color...
In the last number of years, optical cavities which are collectively known as whispering gallery resonators (WGR) have shown their versatility across a number of research fields from photonics applications, through fundamental studies in cavity optomechanics, to sensing. One type of WGR that has more recently been developed is the bottle-like microresonator (BLMR) [1] or microbubble [2], i.e., hollow...
Investigations of nonlinear optical properties and mechanisms of optical limiting in semiconductor materials are of persistent interest for the design of laser radiation protection elements. Studies into nonlinear optical properties of ZnS semiconductor monocrystals in visible range and InP in NIR range allowed to determine the main optical limiting mechanisms: two-photon absorption, free-carrier...
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