Imperial College London
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Prof John W.G. Tisch

Faculty of Natural Sciences, Department of Physics

Professor of Laser Physics
 
 
 
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Contact

 

+44 (0)20 7594 7710john.tisch Website

 
 
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Assistant

 

Ms Judith Baylis +44 (0)20 7594 7713

 
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Location

 

205Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Arrell:2014:10.1063/1.4899062,
author = {Arrell, CA and Ojeda, J and Sabbar, M and Okell, WA and Witting, T and Siegel, T and Diveki, Z and Hutchinson, S and Gallmann, L and Keller, U and van, Mourik F and Chapman, RT and Cacho, C and Rodrigues, N and Turcu, ICE and Tisch, JWG and Springate, E and Marangos, JP and Chergui, M},
doi = {10.1063/1.4899062},
journal = {Review of Scientific Instruments},
title = {A simple electron time-of-flight spectrometer for ultrafast vacuum ultraviolet photoelectron spectroscopy of liquid solutions},
url = {http://dx.doi.org/10.1063/1.4899062},
volume = {85},
year = {2014}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We present a simple electron time of flight spectrometer for time resolved photoelectron spectroscopy of liquid samples using a vacuum ultraviolet (VUV) source produced by high-harmonic generation. The field free spectrometer coupled with the time-preserving monochromator for the VUV at the Artemis facility of the Rutherford Appleton Laboratory achieves an energy resolution of 0.65 eV at 40 eV with a sub 100 fs temporal resolution. A key feature of the design is a differentially pumped drift tube allowing a microliquid jet to be aligned and started at ambient atmosphere while preserving a pressure of 10−1 mbar at the micro channel plate detector. The pumping requirements for photoelectron (PE) spectroscopy in vacuum are presented, while the instrument performance is demonstrated with PE spectra of salt solutions in water. The capability of the instrument for time resolved measurements is demonstrated by observing the ultrafast (50 fs) vibrational excitation of water leading to temporary proton transfer.
AU  - Arrell,CA
AU  - Ojeda,J
AU  - Sabbar,M
AU  - Okell,WA
AU  - Witting,T
AU  - Siegel,T
AU  - Diveki,Z
AU  - Hutchinson,S
AU  - Gallmann,L
AU  - Keller,U
AU  - van,Mourik F
AU  - Chapman,RT
AU  - Cacho,C
AU  - Rodrigues,N
AU  - Turcu,ICE
AU  - Tisch,JWG
AU  - Springate,E
AU  - Marangos,JP
AU  - Chergui,M
DO  - 10.1063/1.4899062
PY  - 2014///
SN  - 1089-7623
TI  - A simple electron time-of-flight spectrometer for ultrafast vacuum ultraviolet photoelectron spectroscopy of liquid solutions
T2  - Review of Scientific Instruments
UR  - http://dx.doi.org/10.1063/1.4899062
UR  - http://hdl.handle.net/10044/1/24082
VL  - 85
ER  -
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