Results 31 to 40 of about 1,816,003 (305)
Multimode Nonlinear Fiber Optics: Massively Parallel Numerical Solver, Tutorial, and Outlook [PDF]
IEEE Journal of Selected Topics in Quantum Electronics, 2017 Building on the scientific understanding and technological infrastructure of single-mode fibers, multimode fibers are being explored as a means of adding new degrees of freedom to optical technologies such as telecommunications, fiber lasers, imaging ...
L. Wright +6 more
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FUTURE TRENDS IN FIBER OPTICS COMMUNICATION
International Journal of Engineering Applied Sciences and Technology, 2020 –Fiber optic systems are important telecommunication infrastructure for world-wide broadband networks. Wide bandwidth signal transmission with low delay is a key requirement in present day applications.
Ankur Tiwari, Raj Kumar, Abhishek Saxena
semanticscholar +1 more source
Spatial Spectral Characteristics of Partial Discharge with Different Electrode Models
Photonics, 2023 In this paper, the spatial spectral characteristics of partial discharge (PD) under different electrode models are mainly studied. In the initial corona discharge stage, the emission spectrum is mainly emitted by the N2(C3IIu→B3IIg) energy level ...
Taiqi Wang +6 more
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Indoor Human Fall Detection Algorithm Based on Wireless Sensing
Tsinghua Science and Technology, 2022 As the main health threat to the elderly living alone and performing indoor activities, falls have attracted great attention from institutions and society.
Chao Wang +5 more
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Recent Advances in Phase-Sensitive Optical Time Domain Reflectometry (Ф-OTDR)
Photonic Sensors, 2021 Phase-sensitive optical time domain reflectometry (Ф-OTDR) is an effective way to detect vibrations and acoustic waves with high sensitivity, by interrogating coherent Rayleigh backscattering light in sensing fiber. In particular, fiber-optic distributed
Yunjiang Rao +4 more
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Polarization Modulation Instability in Dispersion-Engineered Photonic Crystal Fibers
Crystals, 2021 Generation of widely spaced polarization modulation instability (PMI) sidebands in a wide collection of photonic crystal fibers (PCF), including liquid-filled PCFs, is reported. The contribution of chromatic dispersion and birefringence to the net linear
Abraham Loredo-Trejo +3 more
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Optics Express, 2019 A novel approach for fiber optics 3D shape sensing, applicable to mini-invasive bio-medical devices, is presented. The approach exploits the optical backscatter reflectometry (OBR) and an innovative setup that permits the simultaneous spatial ...
Aidana Beisenova +5 more
semanticscholar +1 more source
PhotoacousticsPhotoacoustic imaging (PAI) is an emerging hybrid imaging technology that combines the advantages of optical and ultrasound imaging. Despite its excellent imaging capabilities, PAI still faces numerous challenges in clinical applications, particularly ...
Liangjie Wang, Yi-Chao Meng, Yiming Qian
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Multimode nonlinear fiber optics, a spatiotemporal avenue
APL Photonics, 2019 We provide a perspective overview of the emerging field of nonlinear optics in multimode optical fibers. These fibers enable new methods for the ultrafast light-activated control of temporal, spatial, and spectral degrees of freedom of intense, pulsed ...
K. Krupa +9 more
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Hierarchical Attention Neural Network for Event Types to Improve Event Detection
Sensors, 2022 Event detection is an important task in the field of natural language processing, which aims to detect trigger words in a sentence and classify them into specific event types.
Yanliang Jin +5 more
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