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Learning to sense three-dimensional shape deformation of a single multimode fiber [PDF]

open access: yesScientific Reports, 2022
Optical fiber bending, deformation or shape sensing are important measurement technologies and have been widely deployed in various applications including healthcare, structural monitoring and robotics.
Xuechun Wang   +4 more
doaj   +2 more sources

Research Progress in Tunable Fiber Lasers Based on Multimode Interference Filters

open access: yesMicromachines, 2023
Tunable fiber lasers have the advantages of good beam quality, high integration, and adjustable output wavelength, and they are widely used in fields such as optical fiber communication and optical fiber sensing.
Liqiang Zhang   +5 more
doaj   +1 more source

Mode Coupling and Steady-State Distribution in Multimode Step-Index Organic Glass-Clad PMMA Fibers

open access: yesPhotonics, 2022
Mode coupling and power diffusion in multimode step-index (SI) organic glass-clad (OGC) PMMA fiber is examined in this study using the power flow equation (PFE).
Svetislav Savović   +3 more
doaj   +1 more source

Active wavefront shaping for controlling and improving multimode fiber sensor [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
Wavefront shaping (WFS) techniques have been used as a powerful tool to control light propagation in complex media, including multimode fibers. In this paper, we propose a new application of WFS for multimode fiber-based sensors.
Tianting Zhong   +5 more
doaj   +1 more source

Multimode optical fiber strain monitoring for smart infrastructures

open access: yesAin Shams Engineering Journal, 2023
The in-service monitoring of civil infrastructures is an important task required to achieve their smart operation. This task requires the installation of sensors to continuously check and control the structures’ status in order to fulfil the demanded ...
Ahmed Hisham E. Morshed, Raghied M. Atta
doaj   +1 more source

Spatiotemporal pulses from a Q-switched multimode fiber laser

open access: yesAIP Advances, 2023
We have demonstrated spatiotemporal pulses from a Q-switched ytterbium-doped multimode fiber laser, with a pulse energy of up to 16.5 μJ, a pulse repetition rate of 108.7 kHz, and an average output power of 1.80 W.
Boyuan Ge   +4 more
doaj   +1 more source

High bandwidth performance of multimode graded-index microstructured polymer optical fibers

open access: yesResults in Physics, 2023
The investigation of the bandwidth in multimode graded-index microstructured polymer optical fiber (GI mPOF) with a solid core is proposed using a modal diffusion approach.
Svetislav Savović   +9 more
doaj   +1 more source

Sensitivity Modal Analysis of Long Reflective Multimode Interferometer for Small Angle Detection and Temperature

open access: yesPhotonics, 2023
This work presents the sensitive modal analysis of a long reflective multimode optical fiber device for angle and temperature. The reflective multimode interference optical fiber device was fabricated by splicing ~40 cm of multimode optical fiber (50/125)
Tania Lozano-Hernandez   +4 more
doaj   +1 more source

Multimode fiber ruler for detecting nanometric displacements

open access: yesAPL Photonics, 2022
Light is a perfect tool for numerous metrology applications. To deliver light to hard-to-reach places, fiber probes are widely used. Hair-thin endoscopes based on multimode fibers offer exceptional performance in terms of information density and ...
Ksenia Abrashitova, Lyubov V. Amitonova
doaj   +1 more source

High Power All-Fiber Supercontinuum System Based on Graded-Index Multimode Fibers

open access: yesApplied Sciences, 2022
An all-fiber supercontinuum source based on graded-index multimode fibers is reported. The supercontinuum source is based on a homemade mode-locked oscillator and a three-stage picosecond amplifier, which obtained the supercontinuum by a graded-index ...
Haitao Zhang   +4 more
doaj   +1 more source

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