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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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Fiber-Optic Microstructure Sensors: A Review
Photonic Sensors, 2021 This paper reviews a wide variety of fiber-optic microstructure (FOM) sensors, such as fiber Bragg grating (FBG) sensors, long-period fiber grating (LPFG) sensors, Fabry-Perot interferometer (FPI) sensors, Mach-Zehnder interferometer (MZI) sensors ...
Zengling Ran +8 more
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Detection of Low RCS Unmanned Air Systems Using K-Band Continuous Wave Doppler Radar
Journal of Electrical and Computer Engineering, 2023 UASs (Unmanned Air Systems) are universally used in many activities, spanning from leisure-commercial to military applications. Accordingly, as the number of UASs operating in the sky increases, so does the need to detect and identify them, in order to ...
Alexandros Kyritsis +2 more
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Results in Optics, 2023 Computational modeling and numerical Investigation of a chalcogenide glass-based Graded-Index Photonic Crystal Fiber (GI-PCF) for the mid-infrared region has been put forth.
Jyoti Chauhan +2 more
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Twin-core fiber sensor integrated in laser cavity
Scientific Reports, 2022 In this work, we report on a twin-core fiber sensor system that provides improved spectral efficiency, allows for multiplexing and gives low level of crosstalk. Pieces of the referred strongly coupled multicore fiber are used as sensors in a laser cavity
Josu Amorebieta +7 more
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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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Crystals, 2021 An efficient enhancement of 2.78 μm emission from the transition of Er3+: 4I11/2 → 4I13/2 by Tm3+ introduction in the Er/Tm: PbF2 crystal was grown by the Bridgman technique for the first time. The spectroscopic properties, energy transfer mechanism, and
Jiayu Liao +10 more
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Dosimeter Based on YAG: Ce Phosphor via Sol-Gel Method for Online X-ray Radiation Monitoring
Crystals, 2021 This paper focuses on the preparation of cerium-doped yttrium aluminum garnet (YAG: Ce) powder with several concentration gradients via the sol-gel method by detecting its structural characteristics via X-ray diffraction (XRD) patterns and scanning ...
Yuheng Yan +7 more
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Co-Doping Effect of Bismuth Ions on the Gain Characteristics of Er-Doped Silica Optical Fiber
IEEE Photonics Journal, 2022 By examining the spectral and amplification characteristics of Er-doped silica fiber (EDSF) and Bi/Er co-doped silica fiber (BEDSF), an active doped silica fiber with broadband- and flat-gain is investigated.
Zexin Zheng +8 more
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The influence of gamma radiation on polarization mode dispersion of fibers applied in communications [PDF]
Nuclear Technology and Radiation Protection, 2012 The fiber optics technology is constantly being developed, and is becoming an essential component of contemporary communications, medicine and industry.
Sekulić Rade S. +4 more
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