Magnetic Nanoparticles Functionalized Few-Mode-Fiber-Based Plasmonic Vector Magnetometer [PDF]
Nanomaterials, 2019 In this work, we demonstrate a highly-sensitive vector magnetometer based on a few-mode-fiber-based surface plasmon resonance (SPR) sensor functionalized by magnetic nanoparticles (MNPs) in liquid.
Yaofei Chen +9 more
doaj +3 more sources
Few-Mode Fiber Characterization System Based on the Spatially and Spectrally Imaging Technique [PDF]
Sensors, 2022 With the widespread use of few-mode fibers, mode characteristics testing becomes essential. In this paper, current few-mode fiber testing techniques are discussed, and the S2 imaging technique is chosen and demonstrated to be capable of few-mode fiber ...
Jianxun Yu, Fengze Tan, Changyuan Yu
doaj +2 more sources
Fiber Residual Stress Effects on Modal Gain Equalization of Few-Mode Fiber Amplifier [PDF]
Sensors, 2023 The modal gain equalization (MGE) of few-mode fiber amplifiers (FMFAs) ensures the stability of signal transmission. MGE mainly relies on the multi-step refractive index (RI) and doping profile of few-mode erbium-doped fibers (FM-EDFs).
Li Pei +8 more
doaj +2 more sources
Strain-Insensitive Temperature Sensor Based on Few-Mode Fiber and Photonic Crystal Fiber
IEEE Photonics Journal, 2022 Based on few-mode fiber (FMF) and photonic crystal fiber (PCF), a new temperature sensor with a FMF-PCF-FMF hybrid construction has been developed. Furthermore, the sensor has a longitudinally symmetrical structure that makes it have a flexible sensor ...
Xuekai Gao +7 more
doaj +2 more sources
Monolithic mode-selective few-mode multicore fiber multiplexers
Scientific Reports, 2017 With the capacity limits of standard single-mode optical fiber fast approaching, new technologies such as space-division multiplexing are required to avoid an Internet capacity crunch.
Nicolas Riesen +4 more
doaj +9 more sources
A Few Mode Fiber Temperature Sensor Filled With PDMS Based on Vernier Effect
IEEE Photonics Journal, 2021 A few mode fiber temperature sensor filled with PDMS based on vernier effect is proposed. It uses single mode fiber (SMF), few mode fiber (FMF), and polydimethylsiloxane (PDMS) to form the SMF-air microcavity-FMF-PDMS-FMF structure.
Xinghu Fu +9 more
doaj +2 more sources
Transverse mode coupling in monolithic few-mode fiber laser oscillators [PDF]
Light: Science & ApplicationsTransverse mode instability (TMI), induced by nonlinear thermal-optical coupling, poses a primary challenge for the power scaling of fiber lasers. In the fiber oscillator, a sealed resonant cavity, TMI could become particularly complex due to the mode ...
Binyu Rao +15 more
doaj +2 more sources
Wearable respiration monitoring using an in-line few-mode fiber Mach-Zehnder interferometric sensor. [PDF]
Biomed Opt Express, 2020 Continuous respiratory monitoring is extensively important in clinical applications. To effectively assess respiration rate (RR), tidal volume (TV), and minute ventilation (MV), we propose and experimentally demonstrate a respiration monitoring system ...
Wang R +6 more
europepmc +2 more sources
IEEE Photonics Journal, 2022 We studied the transverse mode instability (TMI) characteristics of few-mode fiber laser amplifier employing ytterbium-doped fiber (YDF) with core/cladding diameter of 30/400 μm under different bending diameters.
Yujun Wen +6 more
doaj +2 more sources
The Brillouin gain of vector modes in a few-mode fiber [PDF]
Scientific Reports, 2017 In this work, we demonstrate the measurement of the Brillouin gain spectra of vector modes in a few-mode fiber for the first time using a simple heterodyne detection technique.
Prabin Pradhan +5 more
doaj +2 more sources