Results 51 to 60 of about 409,995 (301)

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

, 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., Grattan, K. T. V., Kejalakshmy, N., Rahman, B. M., Wijeratne, I. N. M.   +4 more
core   +1 more source

Hybrid Auxetic Architectures: Integrating Curvature‐Driven Design for Enhanced Mechanical Tunability and Structural Performance

Advanced Engineering Materials, EarlyView.
Curvature‐tuned auxetic lattices are designed, fabricated, and mechanically characterized to reveal how geometric curvature governs stretchability, stress redistribution, and Poisson's ratio evolution. Photoelastic experiments visualize stress pathways, while hyperelastic simulations quantify deformation mechanics.
Shuvodeep De, Giovanni Meli, Meysam Khalighian, Anahita Emami   +3 more
wiley   +1 more source

Efficient Coupling between Dielectric-Loaded Plasmonic and Silicon Photonic Waveguides [PDF]

, 2010
The realization of practical on-chip plasmonic devices will require efficient coupling of light into and out of surface plasmon waveguides over short length scales.
Atwater, Harry A., Briggs, Ryan M., Burgos, Stanley P., Feigenbaum, Eyal, Grandidier, Jonathan   +4 more
core   +1 more source

Multiple-cladding fibers with reduced bend loss

Journal of the Optical Society of America A, 2007
We demonstrate that a highly bend-resistant fiber can be realized. It is shown theoretically that, by introducing both depressed and elevated rings into the cladding, bending loss can be reduced significantly. A fiber based on this design has been fabricated and characterized as a first step toward achieving this goal.
Tomljenovic-Hanic, Snjezana, Bulla, Douglas, Ankiewicz, Adrian, Love, John D., Bailey, Ron   +4 more
openaire   +3 more sources

Multimodal Mechanical Testing of Additively Manufactured Ti6Al4V Lattice Structures: Compression, Bending, and Fatigue

Advanced Engineering Materials, EarlyView.
In this experimental study, the mechanical properties of additively manufactured Ti‐6Al‐4V lattice structures of different geometries are characterized using compression, four point bending and fatigue testing. While TPMS designs show superior fatigue resistance, SplitP and Honeycomb lattice structures combine high stiffness and strength. The resulting
Klaus Burkart, Jonas Schmidt, Anastasiya Toenjes, Johanna Eisenträger   +3 more
wiley   +1 more source

Design and Analysis of Ultra-Wideband Highly-Birefringent Bragg Layered Photonic Bandgap Fiber With Concave-Index Cladding

IEEE Photonics Journal, 2021
A ultra-wideband highly-birefringent Bragg layered photonic bandgap fiber (BL-PBGF) with concave-index cladding is proposed and demonstrated, by incorporating PBG effect with Bragg multilayers for the first time to the best of our knowledge. The proposed
Hongyu Tan, Chaotan Sima, Botao Deng, Xiaohang Zhang, Guoqun Chen, Qianqing Yu, Jianghe Xu, Zhenggang Lian, Deming Liu   +8 more
doaj   +1 more source

Bend loss in all-solid bandgap fibres

Optics Express, 2006
Experimental measurements of all-solid photonic bandgap fibres with an array of high-index rods in a low-index background revealed an unexpected variation of bend loss across different bandgaps. This behaviour was confirmed by calculations of photonic band structure, and explained with reference to the differing field distributions of the modes of the ...
T A, Birks, F, Luan, G J, Pearce, A, Wang, J C, Knight, D M, Bird   +5 more
openaire   +2 more sources

Screen‐Printed Flexible Piezoelectric Force Sensor Array with Electromagnetic Interference Shielding

Advanced Engineering Materials, EarlyView.
This article introduces a flexible screen‐printed piezoelectric sensor array designed for low‐frequency healthcare applications such as tactile sensing and cardiovascular monitoring. The device integrates interface electronics enabling the simultaneous acquisition of up to 128 signals, along with flexible EMI shielding that significantly reduces noise ...
Joseph Faudou, Mohammed Benwadih, Arnaud Gabas, Lina Kadura, Minh‐Quyen Le, Daniel Grinberg, Pierre‐Jean Cottinet   +6 more
wiley   +1 more source

An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System

Applied Sciences
Leaky feeders provide seamless and uniform signal coverage in confined spaces like tunnels, mines, and buildings. Their easy scalability and integration with modern systems, like Multiple Input Multiple Output (MIMO), make them ideal for environments ...
Hasan Farahneh, Jamal S. Rahhal, Dia I. Abualnadi, Ibrahim Mansour, Ahmad K. Atieh, Xavier Fernando   +5 more
doaj   +1 more source

Nonlinear Negative Refraction by Difference Frequency Generation

, 2015
Negative refraction has attracted much interest for its promising capability in imaging applications. Such an effect can be implemented by negative index meta-materials, however, which are usually accompanied by high loss and demanding fabrication ...
Cao, Jianjun, Feng, Yaming, Shen, Dongyi, Wan, Wenjie   +3 more
core   +1 more source