High Power Laser Science and Engineering

Hi! This is the official account of HPL journal published by Cambridge University Press @CUP_SciEng & Chinese Laser Press @CLPoptics. We will bring our followers the latest news and research results of high power laser community. Let's make a brighter future of HPL field!

GSI:BMFTR awards millions in funding for fusion research – Dr. Yannik Zobus of GSI/FAIR secures a young investigators group. LASE-FUSE receives €3 million to develop digital-twin simulations for future fusion laser systems. gsi.de/en/start/news/…

HPL:A 1.06 kW all-fiberized polarization-maintaining femtosecond master-oscillator power amplifier incorporating passive pulse shaping. Researchers report a 1.06 kW all-fiber femtosecond MOPA delivering 275 fs pulses at 1.83 GHz. researching.cn/articles/OJ8ce…

HPL:Power scaling of a fundamental-mode thin-disk laser using a gain-enhanced soft-aperture resonator. Researchers demonstrate a 300 W, 1 kHz fundamental-mode thin-disk laser with near-diffraction-limited beam quality. researching.cn/articles/OJ28a…

HPL:Frequency modulation-to-amplitude modulation monitoring in inertial confinement fusion high-power laser systems using dual-comparator delay-unlocked detection. Researchers present a compact FM-to-AM monitor measuring 1.27%–19.15% modulation depths. researching.cn/articles/OJ790…

HPL:Probing short-lived nuclear isomers in laser-induced plasmas. This work detects 156.94 ns Kr isomer gamma rays in PW-laser plasmas using fiber-coupled scintillators. researching.cn/articles/OJa2a…

communications physics:Batch Bayesian optimization of attosecond betatron pulses from laser wakefield acceleration. Bayesian optimization finds a density-spike regime boosting attosecond betatron pulse power by over tenfold. nature.com/articles/s4200…

HPL:Broadband laser absorption study based on radiochromic film combined with fiber-optic probes at the low-coherence Kunwu laser facility. Radiochromic-film diagnostics show broadband laser reduces coupling losses while enhancing high-intensity SRS. researching.cn/articles/OJ28b…

PRL:Experimental Observation of Anomalous Stopping of Mega-ampere Electron Current in Porous Materials. This work shows porous foams strongly stop mega-ampere electrons through microstructure-generated kilo-tesla magnetic fields. journals.aps.org/prl/abstract/1…

Nature photonics:All-optical nonlinear Compton scattering performed with a multi-petawatt laser. This work demonstrates nonlinear Compton scattering with a multi-petawatt laser, producing several-hundred-MeV gamma photons. nature.com/articles/s4156…

HPL:Improvement in high-average-power laser resistance of an optically addressed spatial light modulator based on a new air-gap structure. This work demonstrates an air-gap sapphire OASLM tolerating 170 W/cm2 without auxiliary cooling. researching.cn/articles/OJ473…

PRL:Observation of Radially Emitted Proton Beams from Low-Mass X-Pinch Plasmas. This work reports 3 MeV radial proton beams from X-pinch plasmas and demonstrates proton radiography. journals.aps.org/prl/abstract/1…

Nature communications:Direct observation of a wakefield generated with structured light. This work directly images wakefields generated by structured light and clarifies their phase-velocity control mechanisms. nature.com/articles/s4146…

HPL:Laser-induced damage threshold comparison of untreated, antireflection-coated and antireflection-microstructured LiGaS2 nonlinear crystals. Antireflection microstructures improve transmittance while preserving higher damage thresholds than coatings.researching.cn/articles/OJf37…

HPL:Direct generation of high-power femtosecond Laguerre–Gaussian and Bessel vortex beams in a thin-disk laser oscillator. This work directly generates 594 fs, 50 W Laguerre–Gaussian and first-order Bessel vortex beams in a laser oscillator. researching.cn/articles/OJ912…

PRL:Energy Bunching from Subcycle Ionization Injection in Laser Wakefield Acceleration. This work reveals CEP-driven subcycle ionization injection produces regularly spaced electron energy combs in laser wakefield acceleration. journals.aps.org/prl/abstract/1…

HPL:Generation of a high-power, broadband supercontinuum spanning from visible to mid-infrared via incoherent beam combination in a GeO2-core fiber bundle. This work demonstrates 23.1 W supercontinuum generation in a GeO2-core fiber bundle. researching.cn/articles/OJ696…

HPL:Equation of state measurements of boron nitride under laser-driven compression at the Prague Asterix Laser System facility. This work measures the boron nitride equation of state up to 9 Mbar under laser-driven compression. researching.cn/articles/OJ8c5…

Nature:Efficiency-optimized relativistic plasma harmonics for extreme fields. This work achieves >9 mJ relativistic plasma harmonics by sub-picosecond pulse shaping, reaching efficiency-optimized emission. nature.com/articles/s4158…

HPL:Efficient plasma-based polarization converter for intense X-ray lasers. This work proposes a compact plasma converter enabling >95% efficient and ultrafast polarization control for intense X-ray lasers. researching.cn/articles/OJ5e4…

Nature photonics:Ball-lightning-like relativistic terahertz solitons. Researchers report a long-lived millimeter-scale relativistic terahertz soliton with ball-lightning-like emission and 100 ns lifetime. nature.com/articles/s4156…