Results 141 to 150 of about 64,191 (298)

User's manual for three dimensional FDTD version D code for scattering from frequency-dependent dielectric and magnetic materials [PDF]

open access: yes
The Penn State Finite Difference Time Domain Electromagnetic Scattering Code version D is a 3-D numerical electromagnetic scattering code based upon the finite difference time domain technique (FDTD).
Beggs, John H.   +2 more
core   +1 more source

Eficiência de antena banda larga em microfita com formato E utilizando o método de FDTD [PDF]

open access: bronze, 2008
A. C. O. Pedra   +3 more
openalex   +1 more source

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

open access: yesENERGY &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   +9 more
wiley   +1 more source

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

open access: yesJournal 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   +5 more
wiley   +1 more source

Reinforcement Learning Enabled Nanophotonic Devices

open access: yesLaser &Photonics Reviews, EarlyView.
A reinforcement learning algorithm is used to design photonic devices. The method creates metagratings and grating couplers that efficiently control both the direction and polarization of light. Further, a reinforcement learning approach is used to design in‐plane integrated photonic devices. This approach paves the way for advanced photonic components
Zi Wang   +4 more
wiley   +1 more source

Enhanced Dichroic Coloration Through Void‐Particle Induced Interference in Randomly Distributed Cu2O Octahedrons on Glass Substrate

open access: yesLaser &Photonics Reviews, EarlyView.
In randomly distributed Cu2O octahedron particles on a glass substrate, the absence of particles in certain areas generates a distinct “void‐particle induced interference” phenomenon. This effect results in notable reflection and transmission dichroism, characterized by two reflection peaks within the visible spectrum, but only a single transmission ...
Yaqun Han   +5 more
wiley   +1 more source

A novel FDTD method for multi-conductor transmission lines terminating in frequency-dependent loads

open access: hybrid, 2009
Zhenjun Wu   +3 more
openalex   +1 more source

Carrier Transport in Electrically‐Driven Photonic Crystal Membrane Lasers

open access: yesLaser &Photonics Reviews, EarlyView.
A model to study carrier transport in photonic crystal lasers with a buried heterostructure active region and a lateral current injection scheme is presented. The model identifies unconventional leakage paths which explain low injection efficiencies and enhanced recombination at the p‐doping interface observed experimentally.
Mathias Marchal   +7 more
wiley   +1 more source

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