Results 71 to 80 of about 59,676 (341)

Self‐Assembled Heterosymmetric Structure with Tunable Polarization Optics for Reversible Matrix Encryption

open access: yesAdvanced Functional Materials, EarlyView.
Sustainable films with heterosymmetric structures, harmoniously integrating symmetry and asymmetry, are fabricated using cellulose nanocrystals and hydrophilic nanolignin via evaporation‐induced self‐assembly, which exhibit excellent multiple polarization optical properties.
Qun Song   +7 more
wiley   +1 more source

Efficient input and output coupling between planar photonic crystal waveguides and fiber tapers [PDF]

open access: yes, 2004
Highly efficient (>94%) contradirectional coupling into and out of a photonic crystal waveguide is measured using a fiber taper probe as both a source and a ...
Barclay, Paul E.   +3 more
core  

Integrated Metallo‐Dielectric 3D Hotspots From High Refractive Index Nanodiamond‐Plasmonic Gold Cryosoret Nano‐Assemblies for Photonic Crystal Enhanced Fluorescence

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a novel sensing platform using metallo‐dielectric cryosoret nano‐assemblies and lossless photonic crystals to overcome limitations of conventional plasmonic biosensors. The hybrid system enhances both electric and magnetic field interactions, enabling amplified fluorescence, ultralow detection limits, and prism‐free, objective‐free ...
Seemesh Bhaskar   +5 more
wiley   +1 more source

Modeling of Thermal Phase Noise in a Solid Core Photonic Crystal Fiber-Optic Gyroscope

open access: yesSensors, 2017
A theoretical model of the thermal phase noise in a square-wave modulated solid core photonic crystal fiber-optic gyroscope has been established, and then verified by measurements.
Ningfang Song   +4 more
doaj   +1 more source

Halide Perovskite Radiation Detectors: Conventional Imaging Applications and New Opportunities

open access: yesAdvanced Functional Materials, EarlyView.
Organic–inorganic hybrid halide perovskite (OIHP) semiconductors, owing to their exceptional optoelectronic properties, are emerging as promising next‐generation integrated radiation detectors for applications in medical radiodiagnosis and healthcare monitoring.
Dou Zhao   +4 more
wiley   +1 more source

Calculation of effective mode field area of photonic crystal fiber with digital image processing algorithm [PDF]

open access: yesКомпьютерная оптика, 2018
Photonic crystal fiber as a new type of optical fiber has been extensively applied because of its unique properties. The effective mode area of optical fiber is an important parameter, which has a great influence on the performance of optical fiber.
Yili Tan, Honglian Wang, Yourong Wang
doaj   +1 more source

A Semiconductor Under Insulator Technology in Indium Phosphide

open access: yes, 2012
This Letter introduces a Semiconductor-Under-Insulator (SUI) technology in InP for designing strip waveguides that interface InP photonic crystal membrane structures.
Dalacu, Dan   +5 more
core   +1 more source

Tapering photonic crystal fibers for generating self-similar ultrashort pulses at 1550 nm [PDF]

open access: yes, 2016
K.S.N. wishes to thank the Council of Scientific and Industrial Research [No.
Babu, Padmanabhan Ramesh   +3 more
core   +1 more source

Design and Applications of Multi‐Frequency Programmable Metamaterials for Adaptive Stealth

open access: yesAdvanced Functional Materials, EarlyView.
This article provides a comprehensive overview of metamaterials, including their fundamental principles, properties, synthesis techniques, and applications in stealth, as well as their challenges and future prospects. It covers topics that are more advanced than those typically discussed in existing review articles, while still being closely connected ...
Jonathan Tersur Orasugh   +4 more
wiley   +1 more source

The Influence Of Hole Radius On The Properties Of Photonic Crystal Fiber [PDF]

open access: yesمجلة التربية والعلم, 2008
The influence of air hole radius on the numerical aperture, total dispersion, effective area, and nonlinear coefficient for the photonic crystal fibers are investigated.
Huda Masood Mohamad   +1 more
doaj   +1 more source

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