Results 31 to 40 of about 8,118 (290)
Beilstein Journal of Nanotechnology, 2023 We elucidate that guided modes supported by a regular photonic crystal slab structure composed of a square lattice of air holes in a silicon slab will transition into quasi-guided (leaky) modes when the radius of every second column of air holes is ...
Kaili Sun +3 more
doaj +1 more source
Characterization of Anisotropic Leaky Mode Modulators for Holovideo [PDF]
Journal of Visualized Experiments, 2016 Holovideo displays are based on light-bending spatial light modulators. One such spatial light modulator is the anisotropic leaky mode modulator. This modulator is particularly well suited for holographic video experimentation as it is relatively simple and inexpensive to fabricate.
Scott, Gneiting +5 more
openaire +2 more sources
Fourier decomposition algorithm for leaky modes of fibres with arbitrary geometry [PDF]
, 2002 A new algorithm for calculating the confinement loss of leaky modes in arbitrary fibre structures is presented within the scalar wave approximation. The algorithm uses a polar-coordinate Fourier decomposition method with adjustable boundary conditions ...
Issa, N.A. +4 more
core +1 more source
Beilstein Journal of Nanotechnology, 2018 We have fabricated two-dimensional photonic crystals (PhCs) on the surface of Si nanocrystal-rich SiO2 layers with the goal to maximize the photoluminescence extraction efficiency in the normal direction.
Lukáš Ondič +5 more
doaj +1 more source
Leaky mode integrated optical fibre refractometer [PDF]
Optics Express, 2018 A route to monitor external refractive indices greater than the core index of the waveguide is presented. Initial application utilizes an integrated optical fibre (IOF) platform due to its potential for use in harsh environment sensing. IOF is fabricated using a bespoke flame hydrolysis deposition process to fuse an optical fibre to a planar substrate ...
Alan C. Gray +6 more
openaire +3 more sources
Using quasi-guided modes for modeling the transfer behavior of bent dielectric slab waveguides [PDF]
Advances in Radio Science, 2010 The connection of two straight dielectric multimode slab waveguides by a circular bent waveguide is analyzed by means of quasi-guided modes. These modes correspond to the well known leaky modes, but own real eigenvalues, thus the mathematical ...
M. Stallein, B. Bandlow, R. Schuhmann
doaj +1 more source
Far-field probing of leaky topological states in all-dielectric metasurfaces
Nature Communications, 2018 Topological modes in photonics systems are not completely confined to the structure but can leak into free space. Here, Gorlach et al. exploit these leaky modes to probe the topological properties of a dielectric metasurface from far-field scattering ...
Maxim A. Gorlach +8 more
doaj +1 more source
Focusing Light with Curved Guided-Mode Resonance Reflectors
Micromachines, 2011 Employing numerical simulations, we investigate the possibility of using curved guided-mode resonance (GMR) elements to focus light in reflection. We treat GMR reflectors with a parabolic shape and show that they are capable of focusing light effectively
Robert Magnusson +2 more
doaj +1 more source
FEBS Letters, EarlyView.In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai +9 more
wiley +1 more source
Perturbation and manipulation of leaky modes in photonic crystal fibers [PDF]
, 2020 Optical fibers guide light in a central core surrounded by a cladding. The most common fibers are step-index fibers, which guide light using total internal reflection in the fiber core.
Upendar, Swaathi
core +1 more source