A Piezoelectroluminescent Fiber-Optical Sensor for Diagnostics of the 3D Stress State in Composite Structures
Sign Up to like & getrecommendations! Published in 2018 at "Mechanics of Composite Materials"
DOI: 10.1007/s11029-018-9728-6
Abstract: The mathematical model of a piezoelectroluminescent fiber-optical sensor is developed for diagnostics of the 3D stress state of composite structures. The sensor model is a coaxial sector-compound layered cylinder consisting of a central optical fiber… read more here.
Keywords: stress state; fiber optical; optical sensor; sensor ... See more keywords
High-energy dissipative soliton-driven fiber optical parametric oscillator emitting at 1.7 µm
Sign Up to like & getrecommendations! Published in 2018 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/aadfcd
Abstract: We report a fiber optical parametric oscillator (FOPO) synchronously pumped in a C-band, delivering high-energy picosecond pulses exceeding the nanojoule level of around 1700 nm. The gain medium is a dispersion-shifted fiber, pumped by highly-chirped pulses… read more here.
Keywords: optical parametric; high energy; fiber; fiber optical ... See more keywords
Widely Tunable Fiber Optical Parametric Oscillators With Idler Removal Filter
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2016.2629080
Abstract: The properties of the singly resonant and double-pass pump fiber optical parametric oscillators (FOPO) are experimentally investigated. An idler removal filter is utilized to eliminate the idler component in a Fabry–Pérot cavity to minimize the… read more here.
Keywords: optical parametric; idler removal; pump; removal filter ... See more keywords
Intrusion Location Technology of Sagnac Distributed Fiber Optical Sensing System Based on Deep Learning
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2021.3070721
Abstract: For distributed fiber optical sensing based on Sagnac effect, the intrusion is usually located by notch frequency. However, the notch spectrum is the comprehensive result of the intrusion, so when multiple disturbances simultaneously intrude from… read more here.
Keywords: system; distributed fiber; intrusion; sagnac distributed ... See more keywords
Dynamic Range Improvement in Fiber Optical Parametric Amplifier With Raman Pumping
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2018.2838336
Abstract: We experimentally show that the 1 dB compression point at the gain peak of a fiber optical parametric amplifier (FOPA) can be improved by 4.2 dB when it is assisted with a backward Raman pump… read more here.
Keywords: optical parametric; raman; parametric amplifier; fiber optical ... See more keywords
Achieving high gain using Er-Yb codoped waveguide/fiber optical parametric hybrid amplifier for dense wavelength division multiplexed system
Sign Up to like & getrecommendations! Published in 2018 at "Optical Engineering"
DOI: 10.1117/1.oe.57.5.056108
Abstract: Abstract. A hybrid optical amplifier is proposed using a combination of Er-Yb codoped waveguide amplifier (EYDWA) and fiber optical parametric amplifier (FOPA). The scheme is investigated for 100 × 40 Gb / s dense wavelength division multiplexed (DWDM) system at… read more here.
Keywords: optical parametric; gain; codoped waveguide; fiber optical ... See more keywords
Dual-band fiber optical parametric amplification in a structure of highly nonlinear photonic crystal fiber
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.4.046107
Abstract: Abstract. We investigate fiber optical parametric amplification (FOPA) in a structure of an As2S3 core and TeO2 cladding photonic crystal fiber (PCF). Various amplification features such as wavelength area, parametric gain value, and bandwidth are… read more here.
Keywords: optical parametric; structure; amplification; parametric amplification ... See more keywords
Computer-generated holograms for fiber optical communication with spatial-division multiplexing
Sign Up to like & getrecommendations! Published in 2017 at "Applied Optics"
DOI: 10.1364/ao.56.000a31
Abstract: We report here on applications of computer-generated holograms in fiber optical communication with mode-division multiplexing. It is shown that a pair of multichannel spatial filters matched to spatial modes provides a viable solution for transmission… read more here.
Keywords: generated holograms; holograms fiber; division multiplexing; optical communication ... See more keywords
One-pump fiber optical parametric amplifier in presence of dispersion fluctuations: impact of fourth-order dispersion coefficient.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.008303
Abstract: The impact of random dispersion fluctuations on the gain and saturation behavior of a one-pump fiber optical parametric amplifier (1-P FOPA) in the presence of fourth-order dispersion coefficient (β4) is investigated. Three coupled amplitude equations… read more here.
Keywords: optical parametric; one pump; dispersion fluctuations; dispersion ... See more keywords
Polarized fiber optical parametric amplification in randomly birefringent fibers: erratum.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.021265
Abstract: We correct the value of coefficient Γ presented in Opt. Express23, 32747 (2015)10.1364/OE.23.032747, which describes the relationship between the mean output degree of polarization and the average gain of fiber optical parametric amplifiers. read more here.
Keywords: optical parametric; amplification randomly; parametric amplification; polarized fiber ... See more keywords
Fiber optical temperature compensated anemometer based on dual Fabry-Perot sensors with sealed cavity.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.018157
Abstract: A fiber optical anemometer using dual Fabry-Perot sensors with sealed cavity is proposed for high-speed airflow measurement. The airflow velocity is measured based on principle of differential pressure, and temperature compensation is realized by reference… read more here.
Keywords: sensors sealed; perot sensors; fabry perot; temperature ... See more keywords