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A tunable low-energy photon source for high-resolution angle-resolved photoemission spectroscopy

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Date
11/2012
Author
Harter, John W.
King, Philip D. C.
Monkman, Eric J.
Shai, Daniel E.
Nie, Yuefeng
Uchida, Masaki
Burganov, Bulat
Chatterjee, Shouvik
Shen, Kyle M.
Keywords
Photons
Monochromators
Photoemission
Visible spectra
Plasma sources
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Abstract
We describe a tunable low-energy photon source consisting of a laser-driven xenon plasma lamp coupled to a Czerny-Turner monochromator. The combined tunability, brightness, and narrow spectral bandwidth make this light source useful in laboratory-based high-resolution photoemission spectroscopy experiments. The source supplies photons with energies up to ~7 eV, delivering under typical conditions >10(12) ph/s within a 10 meV spectral bandwidth, which is comparable to helium plasma lamps and many synchrotron beamlines. We first describe the lamp and monochromator system and then characterize its output, with attention to those parameters which are of interest for photoemission experiments. Finally, we present angle-resolved photoemission spectroscopy data using the light source and compare its performance to a conventional helium plasma lamp.
Citation
Harter , J W , King , P D C , Monkman , E J , Shai , D E , Nie , Y , Uchida , M , Burganov , B , Chatterjee , S & Shen , K M 2012 , ' A tunable low-energy photon source for high-resolution angle-resolved photoemission spectroscopy ' , Review of Scientific Instruments , vol. 83 , no. 11 , 113103 . https://doi.org/10.1063/1.4766962
Publication
Review of Scientific Instruments
Status
Peer reviewed
DOI
https://doi.org/10.1063/1.4766962
ISSN
0034-6748
Type
Journal article
Rights
Copyright 2012, American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Review of Scientific Instruments, Vol 83, Issue 11, and may be found at: http://scitation.aip.org/content/aip/journal/rsi/83/11/10.1063/1.4766962
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/4352

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