Results 21 to 30 of about 2,155,832 (302)

Laminar shocks in high power laser plasma interactions [PDF]

open access: yes, 2013
We propose a theory to describe laminar ion sound structures in a collisionless plasma. Reflection of a small fraction of the upstream ions converts the well known ion acoustic soliton into a structure with a steep potential gradient upstream and with ...
Cairns, R. A.   +17 more
core   +1 more source

A 3.7-kW Oscillating-Amplifying Integrated Fiber Laser Featuring a Compact Oval-Shaped Cylinder Package

open access: yesMicromachines, 2023
Combining the advantages of high efficiency, environmental robustness, and anti-reflection behavior, oscillating-amplifying integrated fiber lasers have become popular for use in high-power laser structures in industrial applications, wherein the size of
Donglin Yan   +7 more
doaj   +1 more source

Simulation of laser-driven cratering experiments on aluminum [PDF]

open access: yes, 2019
After a brief description of the physical principles involved in the cratering process, the authors present a specific methodology to simulate laser-driven cratering experiments performed with a long pulse duration (100 ns) and a small focal spot ...
Jean-Luc Rullier   +11 more
core   +1 more source

All-Fiber High Power Supercontinuum Generation by Cascaded Photonic Crystal Fibers Ranging From 370 nm to 2400 nm

open access: yesIEEE Photonics Journal, 2020
104 W supercontinuum (SC) covering 370 nm-2400 nm is reported. High power visible SC is generated by pumping cascaded photonic crystal fibers (PCF) with 1064 nm picosecond pulse.
Haoyu Zhang   +6 more
doaj   +1 more source

IFE Plant Technology Overview and contribution to HiPER proposal [PDF]

open access: yes, 2011
HiPER is the European Project for Laser Fusion that has been able to join 26 institutions and signed under formal government agreement by 6 countries inside the ESFRI Program of the European Union (EU). The project is already extended by EU for two years
D. Cereceda   +48 more
core   +1 more source

Demonstration of bright x-ray sources from solid and foam TiO2 targets at the Shenguang-III prototype laser facility

open access: yesAIP Advances, 2020
Enhancement of x-ray sources from laser-produced plasmas is significant in wide-ranging applications. Solid and foam TiO2 targets were both used to generate bright x-ray sources at the Shenguang-III prototype laser facility, with a total laser power of 3.
Yunsong Dong   +14 more
doaj   +1 more source

Enhanced Thomson scattering x-ray sources with flying focus laser pulse

open access: yesAIP Advances, 2023
X-ray source based on the Thomson scattering of laser interacting with energetic electron beams features high photon energy, small spot size, and good collimation.
Hansheng Ye   +13 more
doaj   +1 more source

High-Power Femtosecond Laser Processing of SiC Ceramics with Optimized Material Removal Rate

open access: yesMicromachines, 2023
Silicon carbide (SiC) ceramics are widely used as structural materials for various applications. However, the extraordinarily high hardness, brittleness, low material removal rate, and severe tool wear of these materials significantly impact the ...
Jian Zhang   +7 more
doaj   +1 more source

Repair of Fused Silica Damage Using Selective Femtosecond Laser-Induced Etching

open access: yesCrystals, 2023
Timely repair of fused silica damage ensures the stable operation of high-power laser systems. In the traditional repair process, the material nearby the damaged area is gradually ablated with CO2 or femtosecond laser.
Zhenhua Fang   +9 more
doaj   +1 more source

Comprehensive Investigations on 1053 nm Random Distributed Feedback Fiber Laser

open access: yesIEEE Photonics Journal, 2017
We design a 1053 nm Yb3+-doped random fiber laser (YRFL) based on the combination of Yb3+ -doped fiber (YDF) and single mode fiber (SMF), in which the YDF provides active gain, while SMF offers random distributed feedback.
Mengqiu Fan   +10 more
doaj   +1 more source

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