Results 11 to 20 of about 1,229,730 (151)

Simultaneous Achievement of Enhanced Nonlinear Optical Absorption and Nonlinear Refraction in Highly Crystalline 2D Covalent Organic Frameworks Ultrathin Films [PDF]

Advanced Science
Large enhancement of nonlinear absorption and nonlinear refraction are achieved simultaneously in highly ordered two dimensional (2D) covalent organic framework (COF) films prepared by solidliquid interface one‐step method to overcome the weakness of COF
Tianyang Dong, Xingyuan Wen, Junyi Li, Xingzhi Wu, Chong Wang, Wenfa Zhou, Lingmin Yu, Yinglin Song, Chunru Wang, Li Jiang, Chunli Bai   +10 more
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Nonlinear Refraction of Gold Nanoparticles Suspended in Water [PDF]

Журнал нано- та електронної фізики, 2015
This paper presents the results of the experimental investigations of the surface plasmon resonances and nonlinear refraction of water suspensions of gold nanoparticles coated with a polymer shell.
R.V. Gamernyk, S.Z. Malynych, M.V. Periv, O.S. Zaichenko, O.M. Shevchuk, Yu.R. Dacyuk   +5 more
doaj   +1 more source

All-optical control of second-harmonic generation in β-BaB2O4 via coherent, terahertz-driven acentric lattice displacement [PDF]

Nature Communications
Dynamical control of the nonlinear optical properties of solids – with light itself – will be essential for future ultrafast photonic technologies. Previously, methods to modulate nonlinear processes including second-harmonic generation (SHG) have relied
Flavio Giorgianni, Nicola Colonna, Gabriel Nagamine, Leonie Spitz, Guy Matmon, Alexandre Trisorio, Nicolas Forget, Carlo Vicario, Adrian L. Cavalieri   +8 more
doaj   +2 more sources

Refraction of nonlinear light beams in nematic liquid crystals [PDF]

, 2013
Optical spatial solitons in nematic liquid crystals, termed nematicons, have become an excellent test bed for nonlinear optics, ranging from fundamental effects to potential uses, such as designing and demonstrating all-optical switching and routing ...
Xia, Wenjun
core   +3 more sources

Nonlinear Refraction and Absorption in Polymers Used for Femtosecond Direct Laser Writing [PDF]

ACS Omega
Renan Cunha, João V. P. Valverde, Leonardo De Boni, Lino Misoguti, Cleber Renato Mendonça   +4 more
doaj   +2 more sources

Exfoliated Bi2Te3 nanoparticle suspensions and films: morphological and nonlinear optical characterization

Nanophotonics, 2021
Bismuth telluride nanoparticles (NPs) attract attention due to the growth of sensitivity of the Bi2Te3 NPs-containing registrars in the near- and mid-infrared ranges.
Ganeev Rashid A., Popov V. S., Zvyagin A. I., Lavrentyev N. A., Mirofyanchenko A. E., Mirofyanchenko E. V., Shuklov I. A., Ovchinnikov O. V., Ponomarenko V. P., Razumov V. F.   +9 more
doaj   +1 more source

Accurate determination of nonlinear refraction in ZnO and Au composite nanostructures

, 2020
It is now well established that the nonlinear optical properties of ZnO nanoparticles can be significantly enhanced by coupling them to metallic nanoparticles.
Fernando, Joseph FS, Shortell, Matthew P, Jaatinen, Esa A, Walden, Sarah L   +3 more
core   +1 more source

Graphene’s nonlinear-optical physics revealed through exponentially growing self-phase modulation

Nature Communications, 2018
Graphene enables extraordinary nonlinear-optical refraction, far exceeding predictions based on conventional nonlinear-susceptibility theory. Here, Vermeulen et al.
Nathalie Vermeulen, David Castelló-Lurbe, Mulham Khoder, Iwona Pasternak, Aleksandra Krajewska, Tymoteusz Ciuk, Wlodek Strupinski, JinLuo Cheng, Hugo Thienpont, Jürgen Van Erps   +9 more
doaj   +1 more source

Simulations of nonlinear harmonic generation by an internal wave beam incident on a pycnocline [PDF]

Nonlinear Processes in Geophysics, 2014
Internal wave beams generated by oceanic tidal flows propagate upward and interact with the increasing stratification found at the pycnocline. The nonlinear generation of harmonic modes by internal wave beams incident on a pycnocline has recently been ...
S. Wunsch, H. Ku, I. Delwiche, R. Awadallah   +3 more
doaj   +1 more source

Nonlinear Optical Properties of CdSe and CdTe Core-Shell Quantum Dots and Their Applications

Frontiers in Physics, 2021
The strong nonlinear optical behavior of low-dimensional materials, such as quantum dots and core-shell quantum dots, has been a topic of intense research in recent years.
Um e Kalsoom, Rongxing Yi, Junle Qu, Liwei Liu   +3 more
doaj   +1 more source