5 Result(s)
within
Radwanul Hasan Siddique
Science, Humanities and Social Sciences, multidisciplinary
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Article
Open AccessAll-optical control of high-purity trions in nanoscale waveguide
The generation of high-purity localized trions, dynamic exciton–trion interconversion, and their spatial modulation in two-dimensional (2D) semiconductors are building blocks for the realization of trion-based...
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Article
Open AccessRainbow peacock spiders inspire miniature super-iridescent optics
Colour produced by wavelength-dependent light scattering is a key component of visual communication in nature and acts particularly strongly in visual signalling by structurally-coloured animals during courtsh...
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Article
Open AccessBio-inspired, large scale, highly-scattering films for nanoparticle-alternative white surfaces
Inspired by the white beetle of the genus Cyphochilus, we fabricate ultra-thin, porous PMMA films by foaming with CO2 saturation. Optimising pore diameter and fraction in terms of broad-band reflectance results i...
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Article
Open AccessColour formation on the wings of the butterfly Hypolimnas salmacis by scale stacking
The butterfly genus Hypolimnas features iridescent blue colouration in some areas of its dorsal wings. Here, we analyse the mechanisms responsible for such colouration on the dorsal wings of Hypolimnas salmacis a...
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Article
The role of random nanostructures for the omnidirectional anti-reflection properties of the glasswing butterfly
The glasswing butterfly (Greta oto) has, as its name suggests, transparent wings with remarkable low haze and reflectance over the whole visible spectral range even for large view angles of 80°. This omnidirectio...
