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Article
Open AccessQuantitative Measurement of γ-Ray and e-Beam Effects on Fiber Rayleigh Scattering Coefficient
The effects of gamma ray (γ-ray) radiation and electron beam (e-beam) radiation on Rayleigh scattering coefficient in single-mode fiber are experimentally investigated. Utilizing an optical time domain reflect...
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Article
Experimental Study on Brillouin Erbium Fiber Laser: Configuration and Characteristics
We carry out the experimental study on Brillouin erbium fiber laser in two different structure configurations. In the first configuration, Brillouin pump laser directly stimulates the Brillouin scattering ligh...
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Article
Open AccessAll-Optical Tuning of Light in WSe2-Coated Microfiber
The tungsten diselenide (WSe2) has attracted considerable interest owing to their versatile applications, such as p-n junctions, transistors, fiber lasers, spintronics, and conversion of solar energy into electri...
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Article
Open AccessBiochemical sensing in graphene-enhanced microfiber resonators with individual molecule sensitivity and selectivity
Photonic sensors that are able to detect and track biochemical molecules offer powerful tools for information acquisition in applications ranging from environmental analysis to medical diagnosis. The ultimate ...
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Article
Open AccessShort cavity DFB fiber laser based vector hydrophone for low frequency signal detection
A short cavity distributed feedback (DFB) fiber laser is used for low frequency acoustic signal detection. Three DFB fiber lasers with different central wavelengths are chained together to make three-element v...
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Article
Open AccessDistributed acoustic sensing with Michelson interferometer demodulation
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) de...
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Article
Open AccessDevelopment of high sensitivity eight-element multiplexed fiber laser acoustic pressure hydrophone array and interrogation system
Fiber laser hydrophones have got widespread concerns due to the unique advantages and broad application prospects. In this paper, the research results of the eight-element multiplexed fiber laser acoustic pres...
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Article
Open AccessInterferometric distributed sensing system with phase optical time-domain reflectometry
We demonstrate a distributed optical fiber sensing system based on the Michelson interferometer of the phase sensitive optical time domain reflectometer (φ-OTDR) for acoustic measurement. Phase, amplitude, fre...
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Article
Open AccessCe3+/Yb3+/Er3+ triply doped bismuth borosilicate glass: a potential fiber material for broadband near-infrared fiber amplifiers
Erbium doped bismuth borosilicate (BBS) glasses, possessing the broadest 1.55 μm near infrared (NIR) emission band among oxide glasses, stand out as excellent fiber material for optical fiber amplifiers. In th...
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Article
Open AccessMulti-wavelength narrow linewidth fiber laser based on distributed feedback fiber lasers
A narrow linewidth laser configuration based on distributed feedback fiber lasers (DFB-FL) with eight wavelengths in the international telecommunication union (ITU) grid is presented and realized. In this lase...
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Article
Open AccessExperimental research on multi-wavelength FBG fabrication based on multiple exposure
A fabrication method of the multi-wavelength fiber grating (FBG) was introduced. Using the scan exposure method, the multi-wavelength FBG can be successfully manufactured through applying different tensile for...
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Article
Open AccessSimultaneous force and temperature measurement using optical microfiber asymmetrical interferometer
A novel optical microfiber asymmetric Fabry-Perot interferometric (MAFPI) sensor is developed for simultaneous measurement of force and temperature. The MAFPI structure is formed by a weak fiber Bragg grating ...
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Article
Open AccessExperimental study on dual-wavelength distributed feedback fiber laser
Four distributed feedback fiber lasers with dual-wavelength operations were studied experimentally in detail. The laser characteristics of these distributed feedback fiber lasers (DFB-FLs) were investigated. T...
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Article
Open AccessCharacteristics research on self-amplified distributed feedback fiber laser
A distributed feedback (DFB) fiber laser with a ratio of the backward to forward output power of 1:100 was composed by a 45-mm-length asymmetrical phase-shifted fiber grating fabricated on the 50-mm erbium-dop...
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Article
Open AccessA four-element sensor array consisting of asymmetric distributed-feedback fiber lasers
A sensor array system formed by arranging four asymmetric distributed-feedback fiber lasers (DFB-FL) in ascending order according to their slope efficiencies was proposed. The output flatness could be effectiv...
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Article
Open AccessFiber laser based hydrophone systems
We report our recent work on distributed feedback fiber laser based hydrophones. Some issues related to sensitivity, such as fiber laser phase condition, demodulation, and packaging, are also discussed. With t...
