Experimental setup for low-energy laser-based angle resolved photoemission spectroscopy.

@article{Koralek2007ExperimentalSF,
  title={Experimental setup for low-energy laser-based angle resolved photoemission spectroscopy.},
  author={Jake D Koralek and Jack F. Douglas and Nicholas Clark Plumb and Jack D. Griffith and Steven T. Cundiff and Henry C. Kapteyn and Margaret M. Murnane and Daniel S. Dessau},
  journal={The Review of scientific instruments},
  year={2007},
  volume={78 5},
  pages={
          053905
        }
}
A laser-based angle resolved photoemission (ARPES) system utilizing 6 eV photons from the fourth harmonic of a mode-locked Ti:sapphire oscillator is described. This light source greatly increases the momentum resolution and photoelectron count rate, while reducing extrinsic background and surface sensitivity relative to higher energy light sources. In this review, the optical system is described, and special experimental considerations for low-energy ARPES are discussed. The calibration of the… 
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TLDR
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TLDR
A table-top vacuum ultraviolet laser with 113.778 nm wavelength is developed and demonstrated its viability as a photon source for high resolution angle-resolved photoemission spectroscopy (ARPES) and control over the linear polarization, repetition rate, and photon flux of the VUV source facilitates ARPES investigations of a broad range of quantum materials.
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