Results 1 to 10 of about 769 (50)

Microdroplet Actuation via Light Line Optoelectrowetting (LL-OEW)

open access: yesInternational Journal of Analytical Chemistry, 2021
Meanwhile, electrowetting-on-dielectric (EWOD) is a well-known phenomenon, even often exploited in active micro-optics to change the curvature of microdroplet lenses or in analytical chemistry with digital microfluidics (DMF, lab on a chip 2.0) to move ...
Christoph Doering   +2 more
doaj   +1 more source

Nano-imprinted subwavelength gratings as polarizing beamsplitters

open access: yesJournal of the European Optical Society-Rapid Publications, 2021
Polarizing beamsplitters have numerous applications in optical systems, such as systems for freeform surface metrology. They are classically manufactured from birefringent materials or with stacks of dielectric coatings. We present a binary subwavelength-
Julian Wüster   +4 more
doaj   +1 more source

Single-Layered Phase-Change Metasurfaces Achieving Polarization- and Crystallinity-Dependent Wavefront Manipulation

open access: yesPhotonics, 2023
As a promising platform for versatile electromagnetic (EM) manipulations, metasurfaces have drawn wide interest in recent years due to their unique EM properties and small footprints.
Jie Hu   +8 more
doaj   +1 more source

All-optical switch based on liquid-crystal infiltrated photonic bandgap fiber in transverse configuration [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2007
We demonstrate optically controlled switching in a photonic bandgap fiber filled with liquid crystal using transverse coupling geometry. Fiber samples made from silica and lead silicate are studied.
Tuominen Jesse   +2 more
doaj   +1 more source

Terahertz reconfigurable multi-functional metamaterials based on 3D printed mortise-tenon structures

open access: yesVirtual and Physical Prototyping, 2023
The emergence of metamaterial has provided an unprecedented ability to manipulate electromagnetic waves, especially in the terahertz band where there is a lack of natural response materials.
Bo Yu, Lesiqi Yin, Peng Wang, Cheng Gong
doaj   +1 more source

Accurate Control of Surface Modes in a Hollow-Core Photonic Bandgap Fiber

open access: yesIEEE Photonics Journal, 2022
The abrupt termination of periodic structures in hollow-core photonic bandgap fiber (HC-PBF) cladding introduces surface modes (SMs). This results in a high loss and small available bandwidth.
Yong You   +4 more
doaj   +1 more source

Wideband Low Loss Bending-Resistance Hollow-Core Fiber With Hybrid Claddings of Antiresonance and Photonic Bandgap Guidance Mechanisms

open access: yesIEEE Photonics Journal, 2023
Hollow-core anti-resonant fibers (HC-ANF) have the advantages of low scattering loss, wide bandwidth and simplicity of preparation, but are sensitive to bend, which limits their practical applications.
Yundong Hao   +4 more
doaj   +1 more source

The Development and Progression of Micro-Nano Optics

open access: yesFrontiers in Chemistry, 2022
Micro-Nano optics is one of the most active frontiers in the current development of optics. It combines the cutting-edge achievements of photonics and nanotechnology, which can realize many brand-new functions on the basis of local electromagnetic ...
Yong Wang   +32 more
doaj   +1 more source

Singularities splitting phenomenon for the superposition of hybrid orders structured lights and the corresponding interference discrimination method

open access: yesNanophotonics, 2022
It is the basic characteristic of pure vortex light that there is a phase singularity at the origin. Such a singularity may be multiple degenerate, which determines the order of vortex light. Singularities splitting phenomenon means that singularities no
Mao Baiwei   +7 more
doaj   +1 more source

Extremely Ultranarrow Linewidth Based on Low-Symmetry Al Nanoellipse Metasurface

open access: yesNanomaterials, 2022
Plasmonic nanostructures with ultranarrow linewidths are of great significance in numerous applications, such as optical sensing, surface-enhanced Raman scattering (SERS), and imaging.
Liangyu Wang   +3 more
doaj   +1 more source

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