期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 87, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4942912
关键词
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资金
- Munich-Centre for Advanced Photonics
- European Research Council
We report a time-of-flight spectrometer for electron pulses at up to 30 keV, which is a suitable energy for atomic-resolution femtosecond investigations via time-resolved electron diffraction, microscopy, and energy loss spectroscopy. For realistic femtosecond beams without apertures, the instrument's energy resolution is similar to 0.5 eV (full width at half maximum) or 2 x 10(-5) at a throughput of 50%-90%. We demonstrate the analyzer's versatility by three first applications, namely, femtosecond electron pulse metrology via optical streaking, in situ drift correction in laser-microwave synchronization for electron pulse compression, and time-resolved electron energy loss spectroscopy of aluminum, showing the instrument's capability of tracking plasmonic loss peak positions with few-meV accuracy. (C) 2016 AIP Publishing LLC.
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