Results 31 to 40 of about 2,770,622 (284)
Photocurrent in a visible-light graphene photodiode
, 2011 We calculate the photocurrent in a clean graphene sample normally irradiated by a monochromatic electromagnetic field and subject to a step-like electrostatic potential.
Efetov, K. B., Mai, S., Syzranov, S. V.
core +1 more source
Building a Bidirectional Visible Light Communication Link: Challenges and Contributions [PDF]
, 2018 Visible Light Communication is a new information transmission method that involves sending data through light emitting diodes and photo-diodes via the visible light spectrum.
Harathi, Pranav
core +1 more source
Ultrasensitive bionic photonic-electronic skin with wide red-shift mechanochromic response
Light: Advanced ManufacturingMimicking animal skin is an effective strategy for enhancing the performance of artificial skin. Inspired by a chameleon’s iridophore and a spider’s slit organ, a novel photonic-electronic skin (PE-skin) with excellent optical/electrical dual-sensing ...
Tianqi Wang +11 more
doaj +1 more source
GaN-Based Generic Bifunction LED for Potential Duplex Free-Space VLCs
IEEE Photonics Journal, 2017 A generic bifunction GaN light-emitting diode (LED) structure, which has a 300 nm n+ -ZnO epitaxial layer grown on a standard GaN LED epistack and a mesa size of $200\, \mathrm{\mu} {\rm{m\, \times \, 600\, }}\mathrm{\mu} {\rm{m ...
Lilin Liu +5 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim +8 more
wiley +1 more source
Zero power light labeling based on visible light communication
Dianxin kexue, 2023 In order to achieve zero energy consumption of visible light labels, MATLAB and MULTISIM were used to simulate the impedance matching of the receiver, matching the input impedance of the first-order equalization circuit with the internal resistance of ...
Tianyang MA, Xiongbin CHEN, Yiwu XU
doaj +2 more sources
Off-Axis Co-Optical Path Large-Range Line Scanning Chromatic Confocal Sensor
Photonic SensorsThis article proposes a line scanning chromatic confocal sensor to solve the problem of limited chromatic confocal measurement due to the small measurement range and low measurement efficiency in the industrial inspection process.
Meizhong Liao +6 more
doaj +1 more source
IEEE Open Journal of the Communications SocietyFrom an information-theoretic perspective, we investigate performance of asymmetrically clipped optical OFDM (ACO-OFDM) in intensity modulated optical wireless systems.
Xiaozhen Liu, Jing Zhou, Wenyi Zhang
doaj +1 more source
3D Visible‐Light Invisibility Cloak
Advanced Science, 2018 The concept of an invisibility cloak is a fixture of science fiction, fantasy, and the collective imagination. However, a real device that can hide an object from sight in visible light from absolutely any viewpoint would be extremely challenging to ...
Bin Zheng +10 more
doaj +1 more source
Integrated avalanche photodetectors for visible light
Nature Communications, 2021 Integrated photodetectors are essential for scalable photonic platforms, yet most efforts are concerted on the developing devices operating at infrared telecommunication wavelengths.
Salih Yanikgonul +6 more
doaj +1 more source