Time-resolved ARPES with sub-15 fs temporal and near Fourier-limited spectral resolution.
作者： G. Rohde , A. Hendel , A. Stange , K. Hanff , L.-P. Oloff
DOI: 10.1063/1.4963668
关键词: Cross-correlation 、 Optics 、 Resolution (electron density) 、 Angle-resolved photoemission spectroscopy 、 Physics 、 Photon energy 、 Spectral resolution 、 Temporal resolution 、 Fourier transform 、 Harmonics
摘要: An experimental setup for time- and angle-resolved photoelectron spectroscopy with sub-15 fs temporal resolution is presented. A hollow-fiber compressor used the generation of 6.5 white light pump pulses, a high-harmonic-generation source delivers 11 probe pulses at photon energy 22.1 eV. value 13 full width half-maximum pump-probe cross correlation signal determined by analyzing photoemission intensity transient probing near-infrared interband transition in 1T-TiSe2. Notably, conforms to typical values reported conventional time-resolved studies using high harmonics, an ultimate 170 meV feasible.
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