Advancements in light engineering have led to the creation of pulsed laser sources capable of delivering high-repetition-rate,high-power few-cycle laser pulses across a wide spectral range,enabling exploration of many...Advancements in light engineering have led to the creation of pulsed laser sources capable of delivering high-repetition-rate,high-power few-cycle laser pulses across a wide spectral range,enabling exploration of many fascinating nonlinear processes occurring in all states of matter.High-harmonic generation,one such process,which converts the low-frequency photons of the driver laser field into soft x-rays,has revolutionized atomic,molecular,and optical physics,leading to progress in attosecond science and ultrafast optoelectronics.The Extreme Light Infrastructure,Attosecond Light Pulse Source(ELI ALPS)facility pioneers state-of-the-art tools for research in these areas.This paper outlines the design rationale,capabilities,and applications of plasma-and gas-based high-repetition-rate(1 kHz to 100 kHz)attosecond extreme ultraviolet(XUV)beamlines developed at ELI ALPS,highlighting their potential for advancing various research fields.展开更多
Microstructured targets demonstrate an enhanced coupling of high-intensity laser pulse to a target and play an important role in laser-induced ion acceleration.Here we demonstrate an approach that enables us to contro...Microstructured targets demonstrate an enhanced coupling of high-intensity laser pulse to a target and play an important role in laser-induced ion acceleration.Here we demonstrate an approach that enables us to control the morphology of amorphous solid water(ASW)microstructured targets,by deposition of water vapor on a charged substrate,cooled down to 100 K.The morphology of the deposited ASW structures is controlled by varying the surface charge on the substrate and the pressure of water vapor.The obtained target is structured as multiple,dense spikes,confined by the charged area on the substrate,with increased aspect ratio of up to 5:1 and having a diameter comparable with the typical spot size of the laser focused onto the target.展开更多
基金The ELI ALPS project(GINOP-2.3.6-15-2015-00001)is supported by the European Union,and it is co-financed by the European Regional Development Fund.supported by the IMPULSE project,which receives funding from the European Union Framework Programme for Research and Innovation Horizon 2020 under grant agreement no.871161.S.K.and M.U.K.also acknowledges project no.2019-2.1.13-TET-IN-2020-00059+2 种基金support provided by the National Research,Development and Innovation Fund of Hungary,and financed under the 2019-2.1.13-TET-IN funding scheme.D.C.acknowledges support of this work by the Hellenic Foundation for Research and Innovation(HFRI)and the General Secretariat for Research and Technology(GSRT)under the grant no.NEA-APS HFRIFM17-3173support from the Swedish Research Council,the European Research Council(advanced grant QPAP,884900)the Knut and Alice Wallenberg Foundation,including the Wallenberg Center for Quantum Technology(WACQT).
文摘Advancements in light engineering have led to the creation of pulsed laser sources capable of delivering high-repetition-rate,high-power few-cycle laser pulses across a wide spectral range,enabling exploration of many fascinating nonlinear processes occurring in all states of matter.High-harmonic generation,one such process,which converts the low-frequency photons of the driver laser field into soft x-rays,has revolutionized atomic,molecular,and optical physics,leading to progress in attosecond science and ultrafast optoelectronics.The Extreme Light Infrastructure,Attosecond Light Pulse Source(ELI ALPS)facility pioneers state-of-the-art tools for research in these areas.This paper outlines the design rationale,capabilities,and applications of plasma-and gas-based high-repetition-rate(1 kHz to 100 kHz)attosecond extreme ultraviolet(XUV)beamlines developed at ELI ALPS,highlighting their potential for advancing various research fields.
文摘Microstructured targets demonstrate an enhanced coupling of high-intensity laser pulse to a target and play an important role in laser-induced ion acceleration.Here we demonstrate an approach that enables us to control the morphology of amorphous solid water(ASW)microstructured targets,by deposition of water vapor on a charged substrate,cooled down to 100 K.The morphology of the deposited ASW structures is controlled by varying the surface charge on the substrate and the pressure of water vapor.The obtained target is structured as multiple,dense spikes,confined by the charged area on the substrate,with increased aspect ratio of up to 5:1 and having a diameter comparable with the typical spot size of the laser focused onto the target.
