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2篇 您的检索式:作者名="Sebastian Seuferling"
    题名 作者 年代 出处 被引量
1Efficient offline production of freestanding thin plastic foils for laser-driven ion sources显示文摘Modern chirped pulse amplification laser systems with continuously improving controllability and increasing power are about to reach intensities of up to 10^(22) W cm^(-2) and have proven their potential to accelerate ions out of plasma to several tens percent of the speed of light. For enabling application, one important step is to increase the repetition rate at which ion bunches are at the disposal. In particular, techniques used so far for thin foil target production can require several days of preparing reasonable amounts for a single campaign. In this paper we describe the reasonably droplet method which we have tested and improved so that the emerging foils with thicknesses of a few nanometres up to micrometre can be used as targets for laser ion acceleration. Their quality and performance can compete with so far employed techniques thereby enabling the production of hundreds of targets per day.Sebastian Seuferling Matthias Alexander Otto Haug Peter Hilz Daniel Haffa Christian Kreuzer Jorg Schreiber 2017High Power Laser Science and Engineering2017,5,2:1
2An automated, 0.5 Hz nano-foil target positioning system for intense laser plasma experiments显示文摘We report on a target system supporting automated positioning of nano-targets with a precision resolution of 4 μm in three dimensions. It relies on a confocal distance sensor and a microscope. The system has been commissioned to position nanometer targets with 1 Hz repetition rate. Integrating our prototype into the table-top ATLAS 300 TW-laser system at the Laboratory for Extreme Photonics in Garching, we demonstrate the operation of a 0.5 Hz laser-driven proton source with a shot-to-shot variation of the maximum energy about 27% for a level of confidence of 0.95. The reason of laser shooting experiments operated at 0.5 Hz rather than 1 Hz is because the synchronization between the nano-foil target positioning system and the laser trigger needs to improve.Ying Gao Jianhui Bin Daniel Haffa Christian Kreuzer Jens Hartmann Martin Speicher Florian H.Lindner Tobias M.Ostermayr Peter Hilz Thomas F.Rsch Sebastian Lehrack Franz Englbrecht Sebastian Seuferling Max Gilljohann Hao Ding Wenjun Ma Katia Parodi Jorg Schreiber 2017High Power Laser Science and Engineering2017,5,2:1
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