Results 91 to 100 of about 6,475,800 (310)

A Review of Indoor Optical Wireless Communication

open access: yes
Indoor Optical Wireless Communication (OWC) provides a promising solution for high-capacity, low-latency, and electromagnetic interference-resistant wireless communication. Over the past decade, there has been extensive research addressing key challenges
Zhiwei Chen   +4 more
core   +1 more source

Long-Range Distributed Vibration Sensing Based on Phase Extraction From Phase-Sensitive OTDR

open access: yesIEEE Photonics Journal, 2016
Distributed fiber-optic vibration sensors based on phase-sensitive optical time-domain reflectometry ( $\phi$-OTDR) have found many applications in various fields.
Guangyao Yang   +5 more
doaj   +1 more source

Wearable Smart Patches on Sustainable Chitosan With Reversible Microbial Growth‐Inhibitory Properties

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Chitosan, a polysaccharide upcycled from biowaste, has long promised sustainable, biocompatible, and antimicrobial films and devices, an appeal reinforced by its recent regulatory recognition, with several chitosan‐based antibacterial dressings gaining clearance through the Food and Drug Administration's 510(k) pathway.
Jacopo Nicoletti   +16 more
wiley   +1 more source

Anti-resonant acoustic waveguides enabled tailorable Brillouin scattering on chip

open access: yesNature Communications
Empowering independent control of optical and acoustic modes and enhancing the photon-phonon interaction, integrated photonics boosts the advancements of on-chip stimulated Brillouin scattering (SBS). However, achieving acoustic waveguides with low loss,
Peng Lei   +4 more
doaj   +1 more source

Single LED Beacon-Based 3-D Indoor Positioning Using Off-the-Shelf Devices

open access: yesIEEE Photonics Journal, 2016
In this paper, we demonstrate a single light-emitting diode (LED) beacon-based 3-D indoor positioning scheme by experiment and theoretical derivation, which can overcome the limitation of multiple LED beacons involved in one positioning process. Only off-
Yinan Hou   +5 more
doaj   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Performance Evaluation of High-Speed Polar Coded CO-OFDM System with Nonlinear and Linear Impairments

open access: yesIEEE Photonics Journal, 2017
In this paper, the performance of polar code in high-speed coherent optical orthogonal frequency division multiplexing (CO-OFDM) system with nonlinear and linear impairments is comprehensively investigated for the first time.
Ling Liu   +5 more
doaj   +1 more source

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han   +5 more
wiley   +1 more source

Adaptive modulation schemes for optical wireless communication systems [PDF]

open access: yes
High-speed wireless optical communication links have become more popular for personal mobile applications. This is a consequence of the increasing demand from the personal information service boom.
Zeng, Yu
core  

High-Precision Tracking of Free-Space Optical Communication System on Mobile Platforms

open access: yes
We propose a new free-space optical (FSO) communication system for moving platform tracking, which can achieve high precision aiming and tracking. Our prototype system consists of three parts.
Jianguo Liu   +3 more
core   +1 more source

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