Results 71 to 80 of about 7,340 (215)

An Ultra‐Low‐Power and High‐Temperature‐Homogeneity Wafer‐Scale Infrared Source

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A wafer‐scale MEMS infrared source with an Al@nanoforest radiation layer achieves high emissivity and temperature homogeneity at low power, enabling efficient CO2 detection for smart agriculture. Non‐dispersive infrared gas sensors, renowned for their high selectivity and high reliability, are extensively employed in applications of smart agriculture ...
Qirui Zhang, Shuxin Chen, Meng Shi, Xin Liu, Hanhui Li, Ruitao Tao, Yu Liu, Na Zhou, Wenwu Li, Haiyang Mao   +9 more
wiley   +1 more source

Full-Wave Analysis of the Shielding Effectiveness of Thin Graphene Sheets with the 3D Unidirectionally Collocated HIE-FDTD Method

International Journal of Antennas and Propagation, 2017
Graphene-based electrical components are inherently multiscale, which poses a real challenge for finite-difference time-domain (FDTD) solvers due to the stringent time step upper bound. Here, a unidirectionally collocated hybrid implicit-explicit (UCHIE)
Arne Van Londersele, Daniël De Zutter, Dries Vande Ginste   +2 more
doaj   +1 more source

A Novel Transformation Optics-Based FDTD Algorithm for Fast Electromagnetic Analysis of Small Structures in a Large Scope

IEEE Access, 2019
In this paper, we present a novel Transformation Optics based Finite-difference time-domain (TO-FDTD) algorithm with Square Transformed Region, which is suitable for fast electromagnetic analysis of small structures in a large computational domain.
Ruonan Chen, Lei Kuang, Zhengqi Zheng, Qing Huo Liu   +3 more
doaj   +1 more source

Biofunctional Interface Integrated Multilayer SPR Biosensor for Precise Detection of Basal Cell Carcinoma

Electron, EarlyView.
A biofunctional multilayer SPR biosensor based on CsF/TiO2/Ag/CaTiO3/BP/PEG/anti‐BerEP4 is proposed for highly sensitive and selective detection of basal cell carcinoma. The sensor demonstrates enhanced performance with high sensitivity, strong resonance characteristics, and reliable differentiation between normal and cancerous cells, supporting early ...
Raonak Karim, Nahian Montasir, Tasnim Ferdous Toha, Tabah Maimuna Momo, Md. Al Amin Islam Utshob, Maymona Binte Juwel, Khandakar Mohammad Ishtiak   +6 more
wiley   +1 more source

Mini‐Review: Angular Scattering and Directional Effects in Tip‐Enhanced Raman Spectroscopy

Journal of Raman Spectroscopy, EarlyView.
Mini‐review: Angular scattering and directional effects in tip‐enhanced Raman spectroscopy. Felix Schneider, David Baschnagel, Tim Parker, Yang Zhao, Alfred J. Meixner*, Dai Zhang*. This mini‐review examines angular scattering and directional effects in tip‐enhanced Raman spectroscopy (TERS), emphasizing their importance for quantitative interpretation
Felix Schneider, David Baschnagel, Tim Parker, Yang Zhao, Alfred J. Meixner, Dai Zhang   +5 more
wiley   +1 more source

Broadband Mode Converter With Customizable Modal Ratio Leveraging Subwavelength Engineering for Advanced Multimode Silicon Photonics

Laser &Photonics Reviews, EarlyView.
This work introduces a customizable mode converter for multimode silicon photonics, enabling precise control over the conversion ratio between optical modes. The device operates across a broad wavelength range (1350–1700 nm) with 15 distinct conversion levels.
Raquel Fernández de Cabo, Alejandro Sánchez‐Sánchez, Paula Nuño Ruano, Roy Ronald Prosopio Galarza, Daniele Melati, Carlos Alonso‐Ramos, Aitor V. Velasco, David González‐Andrade   +7 more
wiley   +1 more source

Evaluasi Efisiensi Energi Komputasi FDTD Menggunakan Graphics Processing Unit

Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2019
Finite Difference Time Domain (FDTD) merupakan salah satu metode yang banyak digunakan untuk mengevaluasi dan mensimulasi gelombang elektromagnetik beserta interaksinya dengan material sekitarnya.
Angger Abdul Razak, Adharul Muttaqin, Muhammad Aswin   +2 more
doaj   +1 more source

Rigorous Electromagnetic Quasinormal‐Mode Method Made Easy for Users

Laser &Photonics Reviews, EarlyView.
We present a method that combines numerical techniques with accurate approximations to enable simple and ultrafast computations of the scattered field based on quasinormal modes expansions. The method is made available in the open‐source package MANlite implemented within COMSOL.
Tong Wu, Philippe Lalanne
wiley   +1 more source

Nonlinear Resonance Modulation in Single‐Crystalline VO2‐Integrated Si Ring Resonator

Laser &Photonics Reviews, EarlyView.
This work first demonstrates a single‐crystalline VO2–Si hybrid ring resonator. The epitaxial lift‐off process enables high‐quality VO2 integration on the dissimilar Si photonic platform. The high‐quality VO2 film exhibits exceptional nonlinear resonance modulation and a steep optical transition across the metal‐insulator transition. ABSTRACT The metal‐
Sebae Park, Dong Kyu Lee, Junyeop Kim, Sungwon Lee, Heedeuk Shin, Junwoo Son   +5 more
wiley   +1 more source