TIME-RESOLVED PUMP-PROBE PHOTOELECTRON-SPECTROSCOPY OF HELIUM USING A MODE-LOCKED LASER SYNCHRONIZED WITH SYNCHROTRON-RADIATION PULSES

被引：21
|
作者：
LACOURSIERE, J
MEYER, M
NAHON, L
MORIN, P
LARZILLIERE, M
机构：
[1] CENS,SPAM,DRECAM,CEA,F-91191 GIF SUR YVETTE,FRANCE
[2] UNIV LAVAL,DEPT PHYS,LPAM,QUEBEC CITY G1K 7P4,PQ,CANADA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 351卷 / 2-3期
关键词：
D O I：
10.1016/0168-9002(94)91384-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report a new experimental setup consisting in the synchronization of 74.9094 MHz pulses from a mode-locked Ar+ laser with 8.32 MHz pulses of vacuum ultraviolet (VUV) synchrotron radiation from the Super-ACO storage ring of the Laboratoire pour l'Utilisation du Rayonnement Electromagnetique (LURE). The capabilities of the setup are demonstrated in a time-resolved pump-probe (VUV + visible) experiment in which free helium atoms are resonantly ionized via the short-lived 1s3p (P-1) state. This experiment allowed us to obtain the value of 1.12 ns for the temporal resolution (FWHM) of the experimental setup and to show the relevance of this technique for the investigation of nanosecond dynamics on gas phase species.
引用
收藏
页码：545 / 553
页数：9
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