Results 81 to 90 of about 180,033 (332)

Laser‐Welded Cellulose‐Carbon Nanotube Nanocomposites as a 3D Scaffold of Si Anodes for High‐Performance Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu   +5 more
wiley   +1 more source

Future of Transmission Fiber

open access: yesIEEE Photonics Journal, 2011
In 2010, most high-capacity transmission experiments have been demonstrated over low-loss and/or low-nonlinearity dispersion unshifted fibers. Not only the research interest but the discussions of actual deployment of such linearity-enhanced fibers as ...
Masaaki Hirano
doaj   +1 more source

Photonic crystal-liquid crystal fibers for single-polarization or high-birefringence guidance.

open access: yesOptics Express, 2006
The dispersive characteristics of a photonic crystal fiber enhanced with a liquid crystal core are studied using a planewave expansion method. Numerical results demonstrate that by appropriate design such fibers can function in a single-mode/single ...
D. Zografopoulos   +2 more
semanticscholar   +1 more source

Depolarized guided acoustic wave Brillouin scattering in hollow-core photonic crystal fibers

open access: yes, 2015
By performing quantum-noise-limited optical heterodyne detection, we observe polarization noise in light after propagation through a hollow-core photonic crystal fiber (PCF).
Elser, Dominique   +5 more
core   +1 more source

Multi-channel SPR biosensor based on PCF for multi-analyte sensing applications [PDF]

open access: yes, 2015
This paper presents a theoretical investigation of a novel holey fiber (Photonic Crystal Fiber (PCF)) multi-channel biosensor based on surface plasmon resonance (SPR).
Ademgil   +31 more
core   +3 more sources

Unraveling Quantitative Sensing Mechanism and Predictive Molecular Metrics for High‐Performance OFET Amine Sensors

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a novel chloro boron subphthalocyanine/polymer blend OFET sensor achieving 0.005 ppb limit of detection for ammonia at room temperature and high selectivity against similar amines. An original theoretical framework is proposed to describe the sensing mechanism, relating analyte molecular volume and Lewis basicity to sensor ...
Kavinraaj Ella Elangovan   +6 more
wiley   +1 more source

Coherent supercontinuum generation up to 2.3 µm in all-solid soft-glass photonic crystal fibers with flat all-normal dispersion.

open access: yesOptics Express, 2014
Supercontinuum spanning over an octave from 900 - 2300 nm is reported in an all-normal dispersion, soft glass photonic crystal fiber. The all-solid microstructured fiber was engineered to achieve a normal dispersion profile flattened to within -50 to -30
M. Klimczak   +7 more
semanticscholar   +1 more source

Loss analysis of air-core photonic crystal fibers [PDF]

open access: yes, 2003
By using a multipole moment approach, we analyze the loss of an air-core photonic crystal fiber and demonstrate that it is possible reduce the transmission loss that is due to photon radiation leakage through the photonic crystal cladding to a level ...
Xu, Yong, Yariv, Amnon
core   +1 more source

Indirect Band Edge and Chain‐Locked Linear Dichroism in the Quasi‐1D Van der Waals Antiferromagnet AgCrP2S6

open access: yesAdvanced Functional Materials, EarlyView.
AgCrP2S6 reveals a momentum‐indirect band edge (≈1.35 eV) and chain‐locked linear dichroism: the first direct transitions emerge at 1.6–1.8 eV for E||a. Resonant Raman and photoemission corroborate this assignment. In ACPS/graphene heterostructures, photocurrent turns on above ≈1.5 eV and follows the same polarization selection rules (anisotropy ≈0.53),
Oleksandr Volochanskyi   +9 more
wiley   +1 more source

Numerical analysis of second harmonic generation in soft glass equiangular spiral photonic crystal fibers [PDF]

open access: yes, 2012
In this paper, the accurate and numerically efficient finite element (FE)-based beam propagation method (BPM) has been employed to investigate second harmonic generation (SHG) in highly nonlinear soft glass (SF57) equiangular spiral photonic crystal ...
Agrawal, A.   +4 more
core   +1 more source

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