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2篇 您的检索式:作者名="Nicholas H.Matlis"
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1THz-Enhanced DC Ultrafast Electron Diffractometer显示文摘Terahertz-(THz-)based electron manipulation has recently been shown to hold tremendous promise as a technology for manipulating and driving the next generation of compact ultrafast electron sources.Here,we demonstrate an ultrafast electron diffractometer with THz-driven pulse compression.The electron bunches from a conventional DC gun are compressed by a factor of 10 and reach a duration of~180 fs(FWHM)with 10,000 electrons/pulse at a 1 kHz repetition rate.The resulting ultrafast electron source is used in a proof-of-principle experiment to probe the photoinduced dynamics of single-crystal silicon.The THz-compressed electron beams produce high-quality diffraction patterns and enable the observation of the ultrafast structural dynamics with improved time resolution.These results validate the maturity of THz-driven ultrafast electron sources for use in precision applications.Dongfang Zhang Tobias Kroh Felix Ritzkowsky Timm Rohwer Moein Fakhari Huseyin Cankaya Anne-Laure Calendron Nicholas H.Matlis Franz X.Kärtner 2021Ultrafast Science2021,,1:1
2Laser system design for table-top X-ray light source显示文摘We present possible conceptual designs of a laser system for driving table-top free-electron lasers based on terahertz acceleration. After discussing the achievable performances of laser amplifiers with Yb:YAG at cryogenic and room temperature and Yb:YLF at cryogenic temperature, we present amplification modules with available results and concepts of amplifier chains based on these laser media. Their performances are discussed in light of the specifications for the tasks within the table-top light source. Technical and engineering challenges, such as cooling, control, synchronization and diagnostics, are outlined. Three concepts for the laser layout feeding the accelerator are eventually derived and presented.Anne-Laure Calendron Joachim Meier Michael Hemmer Luis E.Zapata Fabian Reichert Huseyin Cankaya Damian N.Schimpf Yi Hua Guoqing Chang Aram Kalaydzhyan Arya Fallahi Nicholas H.Matlis Franz X.Kartner 2018High Power Laser Science and Engineering2018,6,1:0
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