Articles with "repetition frequency" as a keyword



Facilitatory effect of low-pulse repetition frequency ultrasound on release of extracellular vesicles from cultured myotubes

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Published in 2024 at "Journal of Medical Ultrasonics (2001)"

DOI: 10.1007/s10396-024-01429-9

Abstract: Extracellular vesicles (EVs) serve as carriers of intracellular factors with therapeutic effects, including tissue regeneration and attenuation of inflammatory responses. The majority of EVs in vivo are derived from skeletal muscle, which is reported to… read more here.

Keywords: cultured myotubes; release; repetition; pulse repetition ... See more keywords
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Investigations on the oxidation phenomenon of SiC/SiC fabricated by high repetition frequency femtosecond laser

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144131

Abstract: Abstract SiC/SiC was processed by high repetition frequency femtosecond laser with a wavelength of 1030 nm. The experimental results were analyzed based on the finite element simulation. In the femtosecond laser ablation experiment of SiC/SiC, the… read more here.

Keywords: femtosecond laser; sic sic; laser; repetition frequency ... See more keywords
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Eye-safe 1.55 μm high-repetition-frequency self-Q-switched Er:Yb:Lu2Si2O7 pulse laser

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Published in 2021 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2020.106554

Abstract: Abstract An eye-safe 1.55 μm solid-state pulse laser with high repetition frequency is useful for some applications such as lidar. A high-repetition-frequency self-Q-switched 1.55 μm pulse laser was firstly demonstrated in an Er:Yb:Lu2Si2O7 crystal end-pumped by a… read more here.

Keywords: self switched; pulse laser; repetition frequency;

Femtosecond pulse with THz repetition frequency based on the coupling between quantum emitters and a plasmonic resonator

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Published in 2018 at "Physical Review A"

DOI: 10.1103/physreva.97.033811

Abstract: Nanoscale pulsed light is highly desirable in nano-integrated optics. In this paper, we obtained femtosecond pulses with THz repetition frequency via the coupling between quantum emitters (QEs) and plasmonic resonators. Our structure consists of a… read more here.

Keywords: repetition; thz repetition; resonator; plasmonic resonator ... See more keywords

Repetition-Frequency-Doubled Transform-Limited Optical Pulse Generation Based on Silicon Modulators

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Published in 2020 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2020.3010993

Abstract: Compact and integrated optical pulse generation with a high repetition rate and a small duty cycle can benefit various applications such as integrated microwave photonics. In this work, a method to generate a repetition-frequency-doubled narrow… read more here.

Keywords: frequency doubled; pulse generation; repetition frequency; optical pulse ... See more keywords

Micromotion Parameters Estimation for Helicopter Under Low-Pulse Repetition Frequency Condition

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Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2024.3445315

Abstract: The article proposes a micromotion parameter estimation method based on multidomain feature fusion and least squares estimation (LSE). For rotor-type targets, in practice, the spectral line interval in the time–frequency domain is equal to the… read more here.

Keywords: micromotion; low pulse; micromotion parameters; pulse repetition ... See more keywords

A Bipolar DC-Driven Touchable Helium Plasma Jet Operated in Self-Pulsed Mode

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Published in 2018 at "IEEE Transactions on Plasma Science"

DOI: 10.1109/tps.2018.2868234

Abstract: With a floating needle (positive polarity)-to-ring (negative polarity) electrode configuration insulated by the quartz tube, an atmospheric-pressure helium plasma jet driven by bipolar dc voltage is demonstrated. As the gap distance between the human finger… read more here.

Keywords: repetition frequency; jet; plasma jet; helium plasma ... See more keywords
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Indirectly coherent beam combining of pulsed lasers based on active control of continuous carrier

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Published in 2021 at "Optical Engineering"

DOI: 10.1117/1.oe.60.6.066111

Abstract: Abstract. High-power and high-quality pulsed fiber lasers with low repetition frequency are widely applied to various fields ranging from basic science to industrial applications. Coherent beam combining (CBC) is a significant method to obtain that… read more here.

Keywords: continuous carrier; beam combining; pulsed lasers; repetition frequency ... See more keywords

Repetition frequency tunability and stability of BH InAs/InP QD and InGaAsP/InP QW two-section mode-locked laser diodes.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.468031

Abstract: Ultra-high repetition rate (UHRR) mode-locked laser diodes (MLLD) have shown promising results for applications based on optical sampling such as asynchronous optical sampling (ASOPS), optical sampling by repetition-rate tuning (OSBERT), and optical ranging. Important metrics… read more here.

Keywords: inp; repetition frequency; laser diodes; mode locked ... See more keywords

High-power, gigahertz repetition frequency self-mode-locked Ho:GdVO4 laser resonantly pumped by a Tm-doped fiber laser.

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Published in 2024 at "Optics letters"

DOI: 10.1364/ol.519796

Abstract: A self-mode-locked Ho:GdVO4 laser with the GHz pulse repetition frequency oscillation near 2.06 µm was demonstrated for the first time to our knowledge. The output performances of the self-mode-locked Ho:GdVO4 laser were investigated for a few… read more here.

Keywords: mode locked; repetition; repetition frequency; self mode ... See more keywords

Enhanced X-ray Emissions Arising from High Pulse Repetition Frequency Ultrashort Pulse Laser Materials Processing

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Published in 2022 at "Materials"

DOI: 10.3390/ma15082748

Abstract: The ongoing trend in the development of powerful ultrashort pulse lasers has attracted increasing attention for this technology to be applied in large-scale surface engineering and modern microfabrication. However, the emission of undesired X-ray photon… read more here.

Keywords: emission; repetition frequency; pulse repetition; pulse laser ... See more keywords