Micromechanical modeling of unidirectional composites with random fiber and interphase thickness distributions
Sign Up to like & getrecommendations! Published in 2019 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-019-01595-0
Abstract: Unidirectional composites having random fiber and interphase thickness distributions are considered, and the corresponding transverse effective mechanical properties are determined by the computational homogenization method developed based on linear elastic equilibrium relationship in multi-phase composite.… read more here.
Keywords: interphase thickness; interphase; unidirectional composites; composites random ... See more keywords
LD-Pumped Random Fiber Laser Based on Erbium-Ytterbium Co-Doped Fiber
Sign Up to like & getrecommendations! Published in 2019 at "Photonic Sensors"
DOI: 10.1007/s13320-019-0553-x
Abstract: In this paper, a cladding-pumped erbium-ytterbium co-doped random fiber laser (EYRFL) operating at 1550 nm with high power laser diode (LD) is proposed and experimentally demonstrated for the first time. The laser cavity includes a… read more here.
Keywords: ytterbium doped; erbium ytterbium; fiber laser; random fiber ... See more keywords
Liquid-crystal random fiber laser for speckle-free imaging
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5094887
Abstract: Liquid crystal random fiber lasers (LC-RFLs) exhibit low spatial coherence, extraordinary tunability, and high flexibility and are therefore promising for use in imaging and related applications. They nevertheless suffer from ineffective emission along the fiber… read more here.
Keywords: laser; speckle; fiber; crystal random ... See more keywords
Low-Loss Random Fiber Gratings Made With an fs-IR Laser for Distributed Fiber Sensing
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2917389
Abstract: By using the plane-by-plane grating inscription method with an fs-IR laser, random fiber gratings with low laser-induced loss were fabricated in SMF-28 fiber for distributed temperature sensing. Compared to conventional random gratings having broadband backscattering… read more here.
Keywords: loss; random fiber; laser; fiber gratings ... See more keywords
High-Speed Random Bit Generation via Brillouin Random Fiber Laser With Non-Uniform Fibers
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2017.2722381
Abstract: A bidirectional pumping Brillouin random fiber laser based on a non-uniform fiber is proposed and demonstrated for truly random number generation with enhanced bit rate. Numerical simulation indicates that, thanks to the unique distributed Brillouin… read more here.
Keywords: bit; fiber; generation; random fiber ... See more keywords
An Efficient 4-kW Level Random Fiber Laser Based on a Tandem-Pumping Scheme
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2909083
Abstract: In this letter, we presented a monolithic high-power random fiber laser (RFL) with a tandem-pumping scheme. The RFL seed centered at 1064 nm was pumped by a 1018-nm fiber laser and reached an output power… read more here.
Keywords: fiber laser; random fiber; laser; tandem pumping ... See more keywords
1.36-kW Spectral-Narrowing Fiber Laser Seeded by Random Fiber Laser
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2916610
Abstract: A single-mode 1.36-kW output power fiber amplifier with 0.22-nm full-width at half-maximum (FWHM) is realized by employing a master oscillator power amplifier (MOPA) configuration, seeded by a random fiber laser (RFL). We demonstrated an approach… read more here.
Keywords: fiber laser; spectral narrowing; seeded random; random fiber ... See more keywords
Multi-wavelength random fiber laser with switchable wavelength interval.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.403260
Abstract: A random fiber laser with flexible wavelength interval switching is proposed and demonstrated through two switching methods. One is to change the effective structure of the laser cavity by controlling the switches of 980 nm… read more here.
Keywords: wavelength interval; random fiber; fiber laser; wavelength ... See more keywords
High efficiency Brillouin random fiber laser with replica symmetry breaking enabled by random fiber grating.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.417099
Abstract: We report a high efficiency Brillouin random fiber laser (BRFL) enabled by a random fiber grating (RFG) with demonstration of replica symmetry breaking (RSB). The RFG was characterized by optical coherence tomography (OCT) method, which… read more here.
Keywords: high efficiency; random fiber; rfg; fiber ... See more keywords
20 watt-level single transverse mode narrow linewidth and tunable random fiber laser at 1.5 µm band.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.461134
Abstract: High power 1.5 µm band fiber lasers are of great importance for many practical applications. Generally, the technical targets including high average output power, narrow linewidth, temporally suppressed intensity dynamics, high spectral purity, single transverse… read more here.
Keywords: band; laser; fiber laser; fiber ... See more keywords
Tunable Random Fiber Laser Based on Dual-Grating Structure
Sign Up to like & getrecommendations! Published in 2023 at "Photonics"
DOI: 10.3390/photonics10060644
Abstract: In order to reduce the pumping threshold and achieve a short-cavity single-mode transmission with a narrow-linewidth random fiber laser, we propose a tunable random fiber laser based on the combination of random grating and highly… read more here.
Keywords: laser; fiber laser; fiber; random fiber ... See more keywords