A versatile apparatus for time-resolved photoemission spectroscopy via femtosecond pump-probe experiments

被引：35

作者：

Carpene, E. ^{[1
]}

Mancini, E. ^{[1
]}

Dallera, C. ^{[1
]}

Ghiringhelli, G. ^{[2
]}

Manzoni, C. ^{[1
]}

Cerullo, G. ^{[1
]}

De Silvestri, S. ^{[1
]}

机构：

[1] Politecn Milan, CNR INFM Ultras, Dipartimento Fis, I-20133 Milan, Italy

[2] Politecn Milan, CNR INFM Coherentia & Soft, Dipartimento Fis, I-20133 Milan, Italy

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2009年 / 80卷 / 05期

关键词：

Auger electron spectra; copper; high-speed optical techniques; low energy electron diffraction; photoelectron spectra; silver; time resolved spectra; ULTRAFAST ELECTRON DYNAMICS; PHOTOELECTRON-SPECTROSCOPY; 2-PHOTON PHOTOEMISSION; CU(111); AG(111);

D O I：

10.1063/1.3125049

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A laser-based system for time-resolved photoemission spectroscopy using up to 6.2 eV photons is presented. The versatility of the laser source permits several combinations of pump and probe photon energies with pulse durations of 50-100 fs. The ultrahigh vacuum system, equipped with evaporators, a low energy electron diffraction system and an Auger spectrometer, grants the possibility to grow and characterize thin films in situ. The electron energy analyzer is a time-of-flight spectrometer with a multianode detector allowing high count rates. The performance of the whole experimental setup is investigated on Cu(100), Cu(111), and Ag(111) single crystals.

引用

页数：8

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