Results 81 to 90 of about 9,282,430 (299)

High-Accuracy Pseudo-Random Code Laser Ranging Method Based on Data Shifting and Parameter Calibration of Phase Discriminator

Photonics
High-accuracy and high-precision inter-satellite ranging enhances the orbital accuracy of the Global Navigation Satellite System and facilitates Autonomous Navigation without requiring ground stations.
Chaoyang Li, Fei Yang, Jianfeng Sun, Zhiyong Lu, Yu Zhou, Chenxiang Qian, Weibiao Chen   +6 more
doaj   +1 more source

Influence of a pulsed laser regime on surface finish induced by thedirect metal deposition process on a Ti64 alloy [PDF]

, 2014
tThe direct metal deposition (DMD) laser technique is a free-form metal deposition process, which allowsgenerating a prototype or small series of near net-shape structures.
GORNY, Cyril, CARRON, Denis, LE MASSON, Philippe, GHARBI, Myriam, PEYRE, Patrice, FABBRO, Rémy, CARIN, Muriel, MORVILLE, Simon   +7 more
core   +1 more source

How is Nanoarchitectonics Shaping Extracellular Vesicle Research?

Advanced Healthcare Materials, EarlyView.
The convergence of nanoarchitectonics and extracellular vesicle biology is reshaping next‐generation nanomedicine by enabling rationally designed nanostructures for enhanced EVs detection, engineering, and therapy. ABSTRACT Extracellular vesicles (EVs) have gained recognition as crucial mediators of cell‐to‐cell communication, holding immense potential
Madushani Dahanayake, Md Shahriar A. Hossain, Chia‐Hung Liu, Carlos Salomon, Yusuke Yamauchi, Mostafa Kamal Masud   +5 more
wiley   +1 more source

Coherent polarization shift keying modulated free space optical links over a Gamma-Gamma turbulence channel [PDF]

, 2011
Problem statement: The optical signal propagating through the Free Space Optical (FSO) channel suffers from irradiance and phase fluctuations caused by the atmospheric turbulence, which results in Bit Error Rate (BER) performance degradation ...
Ghassemlooy, Zabih, Popoola, Wasiu Oyewole, Popoola, Wasiu O., Tang, Xuan, Rajbhandari, Sujan, Lee, Chung Ghiu, Ghassemlooy , Zabih, Lee , Chung Ghiu   +7 more
core   +1 more source

Spatially Controlled Embedded Bioprinting of Prevascularized Spheroids‐Containing Biopatch Enables Functional Skin Regeneration

Advanced Healthcare Materials, EarlyView.
A spatially controlled embedded bioprinting strategy enables precise engineering of prevascularized multicellular spheroids within skin‐derived dECM bioinks. Optimized spheroid size, composition, and spacing promote vascular maturation, paracrine signaling, and tissue integration, resulting in enhanced angiogenesis, blood perfusion, and functional skin
Minjun Ahn, Gyu Tae Park, Dongjun Lee, Sik Yoon, Sae‐Ock Oh, Jae Ho Kim, Byoung Soo Kim   +6 more
wiley   +1 more source

Advancing Human Skin Equivalents: The Crucial Role of Neurovascular Integration

Advanced Healthcare Materials, EarlyView.
This review discusses the importance of integrating vascular and peripheral nerve systems into human skin equivalents (HSEs) to better recapitulate native skin physiology. Recent advances in vascularized, innervated, and neurovascularized HSEs are highlighted, together with emerging bioengineering strategies, current challenges, and future ...
Hao Wu, Lorenzo Moroni, Nicolas Lebonvallet, Vincent Flacher, Paul Wieringa   +4 more
wiley   +1 more source

Analysis and evaluation of optimum wavelengths for free-space optical transceivers [PDF]

, 2010
The objective of this paper is to analyse and present the latest results obtained for free-space optics (FSO) within the EU COST Action IC-0802 and within the European Space Agency (ESA) contract.
Z. Ghassemlooy, E. Leitgeb, M. S. Awan, M. Wittig, T. Plank, Wittig, Manfred, Plank, Thomas, Ozek, Faruk, Ghassemlooy, Zabih, Popoola, Wasiu Oyewole, F. Ozek, P. Brandl, Awan, Muhammad, Brandl, Paul, Leitgeb, Erich, W. Popoola   +15 more
core   +1 more source

Optical Detection of Cellular Signals at Material Interfaces

Advanced Healthcare Materials, EarlyView.
Emerging functional materials are transforming optical detection of cellular signals. This review highlights optical techniques that exploit the unique optical properties of diverse materials to detect and quantify cellular electrical, chemical, and mechanical signals, and discusses key opportunities and challenges.
Xuchen Ren, Jitong Ren, Zixin Zhang, Koney Eungkon Kim, Francis L. Hong, Yuecheng Peter Zhou   +5 more
wiley   +1 more source

Development of laser communication system in space-ground integrated information network

Dianxin kexue, 2017
The space laser communication technology has the advantages of high communication speed,good confidentiality and strong anti-interference ability,and has become a research hot spot in recent years and has been widely used in the space-based information ...
Jianfeng SUN
doaj   +2 more sources

Performance analysis of multiple-beam WDM free space laser-communication system using homodyne detection approach. [PDF]

Heliyon, 2023
Gupta YK, Goel A.
europepmc   +1 more source