期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 85, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4903347
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资金
- Fondazione Cariplo
- EC under Graphene Flagship [CNECT-ICT-604391]
- MIUR FIRB Grant [RBFR12SW0J]
Time- and angle-resolved photoemission spectroscopy is a powerful technique to study ultrafast electronic dynamics in solids. Here, an innovative optical setup based on a 100-kHz Yb laser source is presented. Exploiting non-collinear optical parametric amplification and sum-frequency generation, ultrashort pump (h nu = 1.82 eV) and ultraviolet probe (h nu = 6.05 eV) pulses are generated. Overall temporal and instrumental energy resolutions of, respectively, 85 fs and 50 meV are obtained. Time- and angle-resolved measurements on BiTeI semiconductor are presented to show the capabilities of the setup. (C) 2014 AIP Publishing LLC.
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