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Morphology analysis of tracks in the aerogels impacted by hypervelocity irregular particles

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

As an attractive collector medium for hypervelocity particles, combined with outstanding physical properties and suitable compositional characteristic......

First radiative shock experiments on the SG-II laser

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

We report on the design and first results from experiments looking at the formation of radiative shocks on the Shenguang-II (SG-II) laser at the Shang......

Effective suppression of mode distortion induced by stimulated Raman scattering in high-power fiber amplifiers

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Mode distortion induced by stimulated Raman scattering (SRS) has become a new obstacle for the further development of high-power fiber lasers with hig......

Modeling of three-dimensional exciplex pumped fluid Cs vapor laser with transverse and longitudinal gas flow

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Considering the thermodynamical fluid mechanics in the gain medium and laser kinetic processes, a three-dimensional theoretical model of an exciplex-p......

A novel laser shock post-processing technique on the laser-induced damage resistance of 1 omega HfO2/SiO2 multilayer coatings

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

The laser shock processing implemented by a laser-induced high-pressure plasma which propagates into the sample as a shockwave is innovatively applied......

A history of high-power laser research and development in the United Kingdom

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

The first demonstration of laser action in ruby was made in 1960 by T. H. Maiman of Hughes Research Laboratories, USA. Many laboratories worldwide beg......

Direct acceleration of an annular attosecond electron slice driven by near-infrared Laguerre-Gaussian laser

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

A new near-infrared direct acceleration mechanism driven by Laguerre-Gaussian laser is proposed to stably accelerate and concentrate electron slice bo......

Diamond Raman laser: a promising high-beam-quality and low-thermal-effect laser

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Stimulated Raman-scattering-based lasers provide an effective way to achieve wavelength conversion. However, thermally induced beam degradation is a n......

All-fiberized and narrow-linewidth 5 kW power-level fiber amplifier based on a bidirectional pumping configuration

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

In this paper, an all-fiberized and narrow-linewidth 5 kW power-level fiber amplifier is presented. The laser is achieved based on the master oscillat......

Utilizing phase-shifted long-period fiber grating to suppress spectral broadening of a high-power fiber MOPA laser system

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Suppressing nonlinear effects in high-power fiber lasers based on fiber gratings has become a hotspot. At present, research is mainly focused on suppr......

Smooth pulse recovery based on hybrid wavelet threshold denoising and first derivative adaptive smoothing filter

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Based on the pulse-shaping unit in the front end of high-power laser facilities, we propose a new hybrid scheme in a closed-loop control system includ......

High-energy, high-repetition-rate ultraviolet pulses from an efficiency-enhanced, frequency-tripled laser

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

In this study, a high-energy, temporally shaped picosecond ultraviolet (UV) laser running at 100 Hz is demonstrated, with its pulses boosted to 120 mJ......

A 3.5-kW near-single-mode oscillating-amplifying integrated fiber laser

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

The fiber laser based on an oscillating-amplifying integrated structure has the potential to benefit from the advantages of a fiber laser oscillator a......

Fabrication of large-area uniform carbon nanotube foams as near-critical-density targets for laser-plasma experiments

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

Carbon nanotube foams (CNFs) have been successfully used as near-critical-density targets in the laser-driven acceleration of high-energy ions and ele......

Spectral filtering effect on multi-pulsing induced by chirped fiber Bragg grating in dispersion-managed mode-locked Yb-doped fiber lasers

期刊: HIGH POWER LASER SCIENCE AND ENGINEERING, 2021; 9 ()

We numerically and experimentally investigate the multi-pulsing mechanism in a dispersion-managed mode-locked Yb-doped fiber laser. Multi-pulsing occu......

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