Fiber‐optic sensing scheme based on high‐order Stimulated Brillouin scattering in a fiber ring and frequency down‐conversion
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32523
Abstract: In this article, a fiber‐optic sensing scheme based on Stimulated Brillouin scattering effect in a recirculating fiber ring and frequency down‐conversion is proposed and experimentally demonstrated. By employing the recirculating fiber ring structure, high‐order backscattering… read more here.
Keywords: frequency; frequency conversion; order; fiber ring ... See more keywords
Erbium-doped fiber ring laser with SMS modal interferometer for hydrogen sensing
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.01.016
Abstract: Abstract A hydrogen sensor based on erbium-doped fiber ring laser with modal interferometer is proposed. A single mode-multimode-single mode (SMS) modal interferometer structure coated with Pd/WO3 film is used as the sensing head, due to… read more here.
Keywords: hydrogen; fiber ring; modal interferometer; sms modal ... See more keywords
Wavelength scanning Q-switched fiber-ring laser intra-cavity QEPAS using a standard 32.76 kHz quartz tuning fork for acetylene detection
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106612
Abstract: Abstract A novel fiber-ring laser intra-cavity quartz-enhanced photoacoustic spectroscopy (FLI-QEPAS) gas sensor utilizing wavelength scanning Q-switched technique is reported for acetylene detection. The system uses erbium-doped fiber as the gain medium for laser generation and… read more here.
Keywords: fiber ring; cavity; intra cavity; ring laser ... See more keywords
Generation of domain-wall solitons in an anomalous dispersion fiber ring laser
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac0e22
Abstract: We report experimental observations performed using a net anomalous dispersion Er-doped fiber ring laser without polarization-selective elements, highlighting the domain-wall solitary pulses generated under the incoherent polarization coupling. By adjusting the pump power and the… read more here.
Keywords: laser; anomalous dispersion; domain wall; fiber ring ... See more keywords
Polarization-Color Domain Walls in Fiber Ring Lasers
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.3021183
Abstract: The generation of dual-wavelength polarization-color domains (PCD) in a fiber ring laser is experimentally demonstrated. Wavelength-resolved measurements validate the existence of color domains (CD). Simultaneously, polarization-resolved measurements confirm the existence of polarization domain walls. The… read more here.
Keywords: fiber ring; domain walls; polarization color; color ... See more keywords
Highly Sensitive Fiber Ring Laser Sensor for Curvature Using a Modal Interferometer
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2991960
Abstract: A curvature sensing Ytterbium-doped fiber ring, using a Thin Core Fiber Modal Interferometer (TCFMI) was experimentally demonstrated in this work. The TCFMI was implemented by fusion splicing a segment of a thin-core fiber, with a… read more here.
Keywords: laser; fiber; fiber ring; tex math ... See more keywords
Nonlinear correction of a laser scanning interference system based on a fiber ring resonator.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.448630
Abstract: The laser scanning interferometry system has been successfully applied to many measurement fields because of its efficient measurement ability. However, the practical application ability of this measurement method is restricted due to the laser tuning… read more here.
Keywords: system; laser; ring resonator; laser scanning ... See more keywords
Single-mode narrow-linewidth fiber ring laser with SBS-assisted parity-time symmetry for mode selection.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.458648
Abstract: A single-longitudinal-mode narrow-linewidth fiber ring laser with stimulated Brillouin scattering (SBS) assisted parity-time (PT) symmetry for mode selection in a single fiber loop is proposed and experimentally demonstrated. When an optical pump is launched into… read more here.
Keywords: single mode; narrow linewidth; ring laser; mode ... See more keywords
Multiplexing of RF-assisted fiber ring resonators based on phase-shift amplification.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.462760
Abstract: The multiplexing of fiber ring resonators (FRRs) for no crosstalk loss sensing is proposed and demonstrated experimentally. The difference between the parallel and series FRRs is theoretically elaborated to determine the multiplexing scheme. The frequency… read more here.
Keywords: phase shift; shift amplification; ring resonators; phase ... See more keywords
Observation of four self-sweeping regimes in a single-mode bi-directional ytterbium-doped fiber ring laser.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469372
Abstract: In this work, for the first time, four self-sweeping regimes in a single-mode bi-directional ytterbium-doped fiber ring laser are observed by adjusting the polarization controller (PC): normal self-sweeping, reverse self-sweeping, mixed state, and wavelength stop… read more here.
Keywords: sweeping regimes; four self; ring laser; self sweeping ... See more keywords
Tens of hertz ultra-narrow linewidth fiber ring laser based on external weak distributed feedback.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.470571
Abstract: We suggest and demonstrate a single-frequency fiber ring laser with an ultra-narrow linewidth based on an external weak distributed feedback. A π phase-shifted fiber Bragg grating (PSFBG) is used to improve mode selection and enable… read more here.
Keywords: laser; fiber; ultra narrow; ring laser ... See more keywords