Results 61 to 70 of about 173,553 (278)

Deciphering Small Molecule Diffusion Parameters Across Light Responsive Polymersome Membranes

Advanced Functional Materials, EarlyView.
Light‐responsive polymersomes bearing donor–acceptor Stenhouse adducts (DASAs) enable programmable control over small‐molecule transport across synthetic membranes. By systematically varying DASA density, an optimal functionalization regime is identified that maximizes light‐gated permeability.
Farzina Matubbar, Beyzanur Kaya, Buse Ipek, Tenzin Dorjee, Shoghik Hakobyan, Mohamed Chami, Julien E. Gautrot, Omar Rifaie‐Graham   +7 more
wiley   +1 more source

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

Advanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz, Nicole Siegel, Guillermo Serrera, Javier González‐Colsa, Fangjia Zhu, Karol Kołątaj, Minoru Fujii, Hiroshi Sugimoto, Pablo Albella, Guillermo P. Acuna   +9 more
wiley   +1 more source

A Review on Image Sensor Communication and Its Applications to Vehicles

Photonics, 2023
Image sensor communication (ISC), also known as optical camera communication, is a form of visible light communication that utilizes image sensors rather than a single photodiode, for data reception.
Ruiyi Huang, Takaya Yamazato
doaj   +1 more source

Uncovering the Origin of Efficiency Roll‐Off in TADF OLEDs

Advanced Functional Materials, EarlyView.
OLEDs based on thermally activated delayed fluorescent (TADF) materials often suffer from a severe drop in efficiency at high brightness levels. This work presents a technique to uncover the source of this efficiency drop, and quantifies the exciton‐exciton and exciton‐polaron annihilation processes responsible for efficiency losses in our TADF OLEDs ...
Liam G. King, Kou Yoshida, Arvydas Ruseckas, Ifor D. W. Samuel   +3 more
wiley   +1 more source

Enhancing Optical Camera Communication Performance for Collaborative Communication Using Positioning Information

IEEE Access
Optical camera communication (OCC) has emerged as a promising alternative technology for radio frequency (RF)-based communication systems. However, existing OCC approaches only consider transmitting data through broadcasting, without any ability for ...
Ida Bagus Krishna Yoga Utama, Ones Sanjerico Sitanggang, Muhammad Rangga Aziz Nasution, Md. Ibne Joha, Jaejun Yoo, Yeong Min Jang   +5 more
doaj   +1 more source

Exploiting disorder for perfect focusing

, 2009
We demonstrate experimentally that disordered scattering can be used to improve, rather than deteriorate, the focusing resolution of a lens. By using wavefront shaping to compensate for scattering, light was focused to a spot as small as one tenth of the
A Derode, A Derode, A Ishimaru, A. Lagendijk, A. P. Mosk, CK Hayakawa, EG van Putten, G Bartal, G Lerosey, GJ Foschini, I. M. Vellekoop, IM Vellekoop, IM Vellekoop, JW Goodman, M Tanter, MI Stockman, P Sebbah, R Pappu, RK Tyson, SH Simon, Z Yaqoob   +20 more
core   +2 more sources

Adaptive Hydrogels With Spatiotemporal Stiffening Using pH‐Modulating Enzymes

Advanced Functional Materials, EarlyView.
The chemomechanical coupling in an adaptive hydrogel is studied to further the development of adaptive hydrogels. This coupling is achieved by embedding a pH‐modulating enzyme in a pH‐responsive hydrogel. The enzymatic reaction can be triggered locally, which generates a pH‐decreasing wave throughout the system, increasing the crosslinking density and ...
Natascha Gray, Zoe Grämiger, André R. Studart, Rafael Libanori   +3 more
wiley   +1 more source

Streaming QR Codes–A Survey

IEEE Access
Streaming QR codes is an optical wireless communication (OWC) technology that uses screen-camera communication (SCC) with dynamic QR codes for visible light communication (VLC).
Vijen Sewpersadh, Narushan Pillay, Hongjun Xu   +2 more
doaj   +1 more source

A Novel Ranging Technique Based on Optical Camera Communications and Time Difference of Arrival

Applied Sciences, 2019
In this work, a new Time Difference of Arrival (TDoA) scheme for distance measurement based on Optical Camera Communication (OCC) systems is proposed.
Jose Rabadan, Victor Guerra, Carlos Guerra, Julio Rufo, Rafael Perez-Jimenez   +4 more
doaj   +1 more source

Wind dynamic range video camera [PDF]

, 1985
A television camera apparatus is disclosed in which bright objects are attenuated to fit within the dynamic range of the system, while dim objects are not.
Craig, G. D.
core   +1 more source