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High Power Laser Science and Engineering
Scopus
ISSN 2095-4719 · Cambridge University Press · 426 artikel di indeks
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Artikel Jurnal
A 70.7% slope-efficiency, mid-infrared tunable Fe:ZnSe laser gain-switched by a high-energy 3.47 μm potassium titanyl arsenate optical parametric oscillator and amplifier
This paper presents the first demonstration of a mid-infrared (MIR) Fe:ZnSe laser gain-switched by a non-critical phase-matched potassium titanyl arsenate optical parametric oscillator and amplifier at 3.47 μm. A novel improvement in slope efficiency was achieved by this new pump source, which…
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Artikel Jurnal
High-stability and high-efficiency pulse compression technology based on high-repetition-rate transient self-pumped Brillouin scattering
High-repetition-rate and high-stability short-pulse lasers have broad application prospects in large-scale integrated equipment serving industrial manufacturing and scientific research. Pulse compression techniques based on transient stimulated Brillouin scattering (SBS) are an effective means of…
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Artikel Jurnal
Continuous-wave laser emission of 10.4 W, 4.16 μm from HBr-filled hollow-core fiber
We report here the characteristics of a high-power continuous-wave mid-infrared (mid-IR) fiber light source based on nested anti-resonant hollow-core fiber (AR-HCF) filled with HBr gas. A homemade hundred-watt-level 2 μm narrow-linewidth fiber laser is constructed as the pump source. The pump…
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Artikel Jurnal
Efficient generation of a 100 nC electron beam via self-mode transition from LWFA to PWFA
Laser-driven plasma wakefield acceleration (LWFA) offers exceptionally high acceleration gradients and can produce high-brightness electron beams. However, the laser-to-electron energy conversion efficiency typically remains limited to a few percent. Theoretically, the self-mode transition from…
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Artikel Jurnal
A 10-Hz injection at a laser focus of targets accelerated into a spring high-temperature superconductor magnetic levitation system
A setup based on magnetic levitation technologies was created to demonstrate credible solutions in the area of cryogenic fuel target (CFT) noncontact transport and their repeatable injection. A necessary element is a levitating CFT carrier made from Type-II, high-temperature superconductors…
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Artikel Jurnal
Multi-plane light conversion coherent beam combining
Multi-plane light conversion (MPLC) is a versatile technique that enables arbitrary manipulation of optical fields, and is numerically investigated as a novel avenue for coherent beam combining (CBC) applications. The optical parameters have been investigated to guide the MPLC design, indicating…
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Artikel Jurnal
First observation of transverse mode instability in a high-power linearly polarized supercontinuum source
Transverse mode instability (TMI) is a primary limitation for power scaling in high-brightness fiber lasers. This paper reports observation of the TMI effect in the process of supercontinuum generation, and demonstrates a 993 W linearly polarized supercontinuum ranging from 800 to 2000 nm through…
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Artikel Jurnal
Laguerre–Gaussian pulses for spin-polarized ion beam acceleration
Polarized particle sources have a plethora of applications, ranging from deep-inelastic scattering to nuclear fusion. One crucial challenge in laser–plasma interaction is maintaining the initial polarization of the target. Here, we propose the acceleration of spin-polarized helium-3 from…
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Artikel Jurnal
High Power Laser Science and Engineering Editorial – a celebration of ultra-high-power lasers
In 2019 we published the extensive review paper ‘Petawatt and exawatt class lasers worldwide’ in High Power Laser Science and Engineering. We are delighted that the review has achieved over 1000 citations on Google Scholar and over 750 on Web of Science. We take this opportunity to reflect on the…
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Artikel Jurnal
Analysis of an exawatt-class laser architecture based on chirped pulse juxtaposed with beam amplification
An exawatt-class peak-power laser architecture, based on a single, large-aperture Nd:mixed-glass amplifier combined with a technique called chirped pulse juxtaposed with beam amplification (CPJBA) is proposed to significantly extend laser capabilities beyond the present 10 PW state-of-the-art for…
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Artikel Jurnal
Filamentation suppression and efficiency enhancement in backward Raman amplification via structured plasma
Backward Raman amplification (BRA) in plasma, as a promising amplification technique, has been theoretically predicted to achieve multi-petawatt peak powers using millimeter-scale plasmas. However, under stronger intensity or high plasma densities, self-focusing, filamentation and degradation of…
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Artikel Jurnal
High-power high-repetition-rate nanosecond pulsed single-frequency laser at 780 nm
While high-power 780 nm pulsed lasers are essential for atom interferometry, scaling existing sources is restricted by nonlinear effects and material damage. In this work, we demonstrate a robust 780 nm source based on single-pass frequency doubling in a lithium triborate crystal. The source is…
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Artikel Jurnal
Effect of beam polarization on a fused silica component damaged with a nanosecond ultraviolet laser beam
Circular laser beam polarization is known to be an alternative tool to increase the damage resistance of optical components to ultraviolet (UV) laser irradiation. In this work, we carefully study its influence on the nonlinear processes mainly responsible for laser damage, which are the Kerr effect…
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Artikel Jurnal
Properties of well-isolated warm dense matter produced by the collision of high-speed plasma jets
The properties of warm dense matter are crucial for understanding the physics underlying star formation, stellar evolution and inertial confinement fusion (ICF). We present soft X-ray measurements of a well-isolated warm dense plasma system produced by the collision of high-speed plasma jets in…
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Artikel Jurnal
High-power InnoSlab amplifier with a multi-segmented composite Yb:YAG crystal
We demonstrate a high-power InnoSlab amplifier based on a multi-segmented composite ytterbium-doped yttrium aluminum garnet (Yb:YAG) crystal. A systematic comparison was performed of the laser amplification output performance of multi-segmented and conventional Yb:YAG crystals to demonstrate the…
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Artikel Jurnal
Preservation of 3He ion polarization after laser-driven acceleration in plasma
The preservation of nuclear spin alignment in plasmas is a prerequisite for important applications, such as energy production through polarized fusion or the acceleration of polarized particle beams. Although this conservation property has been the basis of numerous theoretical papers, it has never…
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Artikel Jurnal
Neural network-based deconvolution for GeV-scale gamma-ray spectroscopy
High-energy gamma-ray spectroscopy is crucial for studying and advancing the application of high-energy photons in areas such as strong-field physics, high-energy-density science and laboratory astrophysics. However, high-energy gamma-ray spectroscopy in the multi-MeV to GeV range faces significant…
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Artikel Jurnal
Suppressing small-scale self-focusing at post-compression by filtering spatial noise in a diffraction-grating compressor
The results of numerical simulation of spatial noise filtering prior to the stage of nonlinear temporal compression of PW laser pulses are presented. It is shown that small-scale self-focusing (filamentation instability) can be substantially suppressed in a diffraction-grating optical compressor…
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Artikel Jurnal
Passive spectral tailoring via random fibre gratings for linewidth management in a kilowatt cascaded Raman fibre oscillator
Spectral broadening in guided-wave optics, an effect intrinsic to the interplay of dispersion and nonlinearity, presents a major obstacle to achieving the high spectral purity required for applications in nonlinear frequency conversion and precision spectroscopy. This effect is especially…
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Artikel Jurnal
Compensation of carrier envelope phase slip using machine learning
We demonstrate the effective compensation of carrier envelope phase (CEP) slip in a high-power femtosecond laser using a machine-learning (ML)-based control scheme. The compensation is achieved through fine dispersion tuning guided by a recurrent neural network (RNN) that predicts the temporal…