Results 31 to 40 of about 4,473,381 (352)

Controllable Fano-like Resonance in Terahertz Planar Meta-Rotamers

open access: yesApplied Sciences, 2021
Meta-molecules composed of meta-atoms exhibit various electromagnetic phenomena owing to the interaction among the resonance modes of the meta-atoms.
Subin Jo, Min-Gyu Bae, Joong-Wook Lee
doaj   +1 more source

Modeling active optical networks [PDF]

open access: yesPhysica D: Nonlinear Phenomena, 2020
11 pages, 7 ...
Giacomelli G., Politi A., Yanchuk S.
openaire   +5 more sources

Active optics: deformable mirrors with a minimum number of actuators [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2012
We present two concepts of deformable mirror to compensate for first order optical aberrations. Deformation systems are designed using both elasticity theory and Finite Element Analysis in order to minimize the number of actuators.
Laslandes M., Hugot E., Ferrari M.
doaj   +1 more source

Design for quality: reconfigurable flat optics based on active metasurfaces

open access: yesNanophotonics, 2020
Optical metasurfaces, planar subwavelength nanoantenna arrays with the singular ability to sculpt wavefront in almost arbitrary manners, are poised to become a powerful tool enabling compact and high-performance optics with novel functionalities.
Shalaginov Mikhail Y.   +13 more
doaj   +1 more source

Advances in Meta-Optics and Metasurfaces: Fundamentals and Applications

open access: yesNanomaterials, 2023
Meta-optics based on metasurfaces that interact strongly with light has been an active area of research in recent years. The development of meta-optics has always been driven by human’s pursuits of the ultimate miniaturization of optical elements, on ...
Kai Ou   +9 more
doaj   +1 more source

Exploring the Optical Activity Tensor by Anisotropic Rayleigh Optical Activity Scattering [PDF]

open access: yesChemPhysChem, 2008
AbstractRayleigh optical activity (RayOA) spectroscopy promises to provide an elegant and robust analytical method to probe molecular stereochemistry. A careful selection of RayOA variants such as right‐angle depolarized ICP (incident circular polarization) or backscattering DCPI (in‐phase dual circular polarization) allows analysis of the anisotropic ...
Zuber, G, Wipf, P, Beratan, DN
openaire   +3 more sources

The Development and Progression of Micro-Nano Optics

open access: yesFrontiers in Chemistry, 2022
Micro-Nano optics is one of the most active frontiers in the current development of optics. It combines the cutting-edge achievements of photonics and nanotechnology, which can realize many brand-new functions on the basis of local electromagnetic ...
Yong Wang   +32 more
doaj   +1 more source

Optical Activation of TrkA Signaling [PDF]

open access: yesACS Synthetic Biology, 2018
AbstractNerve growth factor/tropomyosin receptor kinase A (NGF/TrkA) signaling plays a key role in neuronal development, function, survival, and growth. The pathway is implicated in neurodegenerative disorders including Alzheimer’s disease, chronic pain, inflammation, and cancer.
Qunxiang Ong   +8 more
openaire   +6 more sources

Active optics for next generation of space observation instruments

open access: yesInternational Conference on Space Optics, 2019
Thales Alenia Space has been involved in the design and the development of space observation instruments for over 40 years. This paper will explain why active optics is needed for next generation of instruments for Earth observation.
T. Viard   +10 more
semanticscholar   +1 more source

Optical Gain of Vertically Coupled Cd0.6Zn0.4Te/ZnTe Quantum Dots

open access: yesNanomaterials, 2023
The optical modal gain of Cd0.6Zn0.4Te/ZnTe double quantum dots was measured using a variable stripe length method, where large and small quantum dots are separated with a ZnTe layer.
Ming Mei   +6 more
doaj   +1 more source

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