Results 111 to 120 of about 4,637,954 (349)
Opto-Electronic ScienceOptical beam steering has become indispensable in free-space optical communications, light detection and ranging (LiDAR), mapping, and projection.
Yang Li +11 more
doaj +1 more source
Effect of Laser Deoxidation on Adhesive‐Bonded Aluminum in an Oxygen‐Free Atmosphere
Advanced Engineering Materials, EarlyView.This study investigates laser ablation of aluminum under oxygen‐free conditions. The goal is to produce oxide‐free substrates that enable improved adhesive bonding with epoxy. Optimized laser parameters (90% overlap, 300 µJ) combined with oxide‐free substrates result in the highest tensile strength of the adhesive bond.
Sandra Gerland +5 more
wiley +1 more source
Flexible Multi-Thread Dynamic Bandwidth Allocation Algorithm in VPONs Based on LR WDM/TDM PON
IEEE Access, 2020 With the smooth upgrade of the access network, multiple tuning-time devices will coexist in the long-reach access network, and the subsequent problems of high round-trip time (RTT) and optical network unit (ONU) tuning delay need to be solved urgently ...
Lijuan Wu +4 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff +9 more
wiley +1 more source
Simulation of Optical Fiber Amplifier Gain Using Equivalent Short Fibers
, 2019 Electromagnetic wave propagation in optical fiber amplifiers obeys Maxwell equations. Using coupled mode theory, the full Maxwell system within an optical fiber amplifier is reduced to a simpler model.
Drake, Dow +3 more
core +1 more source
Recent Advances in Fiber-Optic Sensors for the Detection of Inorganic Acidic Gases
Photonic SensorsAn acidic gas is an important basic chemical raw material used for synthesizing fertilizers, insecticides, explosives, dyes, and salts. Alternatively, inorganic acidic gases that leak into the air have harmful effects on the human health, infrastructure,
Lingnan Kong +11 more
doaj +1 more source
Light: Science & Applications, 2018 In situ and continuous monitoring of electrochemical activity is key to understanding and evaluating the operation mechanism and efficiency of energy storage devices. However, this task remains challenging.
Jiajie Lao +8 more
semanticscholar +1 more source
Assessing Altered Coating Adhesion on Plasma‐Deoxidized Surfaces Under Oxygen‐Free Conditions
Advanced Engineering Materials, EarlyView.This study demonstrates the effectiveness of atmospheric pressure plasma pretreatment in modifying silicon and stainless steel surfaces to improve adhesion. Argon‐hydrogen plasma increases surface roughness and improves adhesion strength, whereas pure argon results in smoother surfaces and structural changes.
Selina Raumel +6 more
wiley +1 more source
Distributed acoustic sensing with Michelson interferometer demodulation
Photonic Sensors, 2016 The distributed acoustic sensing (DAS) has been extensively studied and widely used. A distributed acoustic sensing system based on the unbalanced Michelson interferometer with phase generated carrier (PGC) demodulation was designed and tested.
Xiaohui Liu +6 more
doaj +1 more source
Optical Fiber Magnetic Field Sensors Based on Magnetic Fluid: A Review
Italian National Conference on Sensors, 2018 Magnetic field sensing is an important issue for many application areas, such as in the military, industry and navigation. The current sensors used to monitor this parameter can be susceptible to electromagnetic interferences, however due to their ...
N. Alberto +4 more
semanticscholar +1 more source