Optical time-stretch imaging flow cytometry in the compressed domain.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of biophotonics"
DOI: 10.1002/jbio.202300096
Abstract: Imaging flow cytometry based on optical time-stretch (OTS) imaging combined with a microfluidic chip attracts much attention in the large-scale single-cell analysis due to its high-throughput, high-precision and label-free operation. Compressive sensing has been integrated… read more here.
Keywords: time stretch; flow cytometry; optical time; imaging flow ... See more keywords
Distributed optical fiber sensing with Brillouin Optical Time Domain Reflectometry based on differential pulse pair
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.02.037
Abstract: Abstract The spatial resolution of the conventional Brillouin Optical Time Domain Reflectometry system is limited because of the limitation of probe pulse’s pulse-width. To improve the spatial resolution, a novel Brillouin Optical Time Domain Reflectometry… read more here.
Keywords: brillouin optical; domain reflectometry; time; time domain ... See more keywords
Real-Time Denoising of Brillouin Optical Time Domain Analyzer With High Data Fidelity Using Convolutional Neural Networks
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2876909
Abstract: In recent years, many conventional image denoising techniques have been intensively studied to enhance the signal to noise ratio (SNR) of Brillouin optical time domain analyzer (BOTDA), due to their superior denoising performance to one-dimensional… read more here.
Keywords: time; brillouin optical; domain analyzer; time domain ... See more keywords
Non-Linear Interactions With Backscattered Light: A Truly Single-Ended Brillouin Optical Time-Domain Analysis Technique
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2905668
Abstract: The non-linear interaction between a Rayleigh-backscattered wave and a forward-traveling optical pump pulse is explored using sources separated by approximately one Brillouin shift. It is shown that the pump pulse modulates the Rayleigh backscatter at… read more here.
Keywords: non linear; analysis; brillouin optical; time domain ... See more keywords
Narrowing Spectral Linewidth in Brillouin Optical Time Domain Analyzers With Adjustable Spatial Resolution
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2910315
Abstract: In order to both adjust the spatial resolution (SR) and narrow the Brillouin gain spectrum (BGS) linewidth in Brillouin optical time domain analysis system, a novel scheme based on differential pulse pair technique is proposed.… read more here.
Keywords: linewidth brillouin; brillouin optical; time domain; spatial resolution ... See more keywords
Accurate Single-Ended Measurement of Propagation Delay in Fiber Using Correlation Optical Time Domain Reflectometry
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3094247
Abstract: A correlation optical time-domain reflectometry (C-OTDR) method is presented, which measures the propagation delay with an accuracy of a few picoseconds. This accuracy is achieved using a test signal data rate of 10 Gbit/s and… read more here.
Keywords: time domain; correlation optical; optical time; domain reflectometry ... See more keywords
Event locating strategy in φ-optical time-domain reflectometer based on spatial frequency energy distribution and response section edge determination
Sign Up to like & getrecommendations! Published in 2018 at "Optical Engineering"
DOI: 10.1117/1.oe.57.8.084103
Abstract: Abstract. Determination of intrusion location in a phase-sensitive optical time-domain reflectometer is important and fundamental. In general, the spatial resolution of event location is limited by the temporal width of the probe pulse. We found… read more here.
Keywords: determination; time domain; edge; domain reflectometer ... See more keywords
Influence of phase-sensitive optical time-domain reflectometer on community antenna television transmission
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.2.026103
Abstract: Abstract. Multiple studies have been carried out to analyze the mutual interaction of a phase-sensitive optical time-domain reflectometer (Φ-OTDR) and parallel digital data traffic. However, interactions with analog transmission, e.g., community antenna television (CATV), have… read more here.
Keywords: sensitive optical; system; phase sensitive; time domain ... See more keywords
Significance of modulator extinction ratio in long distance coherent optical time domain reflectometry
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.3.036106
Abstract: Abstract. In coherent optical time-domain reflectometry, external modulation is used to maintain the coherence of laser probe pulses launched into optical fibers. However, the residual continuous wave (CW) component produced by modulation may considerably degrade… read more here.
Keywords: coherent optical; ratio; time domain; optical time ... See more keywords
High-resolution distributed shape sensing using phase-sensitive optical time-domain reflectometry and multicore fibers.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.020763
Abstract: In this paper, a highly-sensitive distributed shape sensor based on a multicore fiber (MCF) and phase-sensitive optical time-domain reflectometry (φ-OTDR) is proposed and experimentally demonstrated. The implemented system features a high strain sensitivity (down to… read more here.
Keywords: sensitive optical; phase sensitive; shape; distributed shape ... See more keywords
Curvature sensing with a D-shaped multicore fibre and Brillouin optical time-domain reflectometry.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.383096
Abstract: A distributed curvature sensor based on Brillouin optical time-domain reflectometry interrogation technique in a D-shaped 7-core fibre is presented. By comparing the relative Brillouin frequency shift between the central core and three of the outer… read more here.
Keywords: brillouin optical; domain reflectometry; time domain; curvature ... See more keywords