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Numerical optimization of a RIXS spectrometer using raytracing simulations

Lieutenant, K.; Hofmann, T.; Zendler, C. LU ; Schulz, C.; Aziz, E. F. and Habicht, K. (2016) In Journal of Physics: Conference Series 738(1).
Abstract

At Helmholtz-Zentrum Berlin (HZB) the end-station PEAXIS (Photo Electron Analysis and X-ray resonant Inelastic Spectroscopy) combining Angle-dependent X-ray Photoelectron Spectroscopy (AdXPS) and Resonant Inelastic X-ray Scattering (RIXS) is currently built. The latter method uses a spherical variable line space (VLS) grating to focus the beam onto the detector. Working in first-order diffraction allows resolving photon energy by transferring the energy-dependent signal to a position-dependent focal spot on the detector. Focusing requires a precise combination of various parameters of the VLS grating and the geometry of the RIXS spectrometer. The VLS grating was optimized by calculating the geometry parameters for different photon... (More)

At Helmholtz-Zentrum Berlin (HZB) the end-station PEAXIS (Photo Electron Analysis and X-ray resonant Inelastic Spectroscopy) combining Angle-dependent X-ray Photoelectron Spectroscopy (AdXPS) and Resonant Inelastic X-ray Scattering (RIXS) is currently built. The latter method uses a spherical variable line space (VLS) grating to focus the beam onto the detector. Working in first-order diffraction allows resolving photon energy by transferring the energy-dependent signal to a position-dependent focal spot on the detector. Focusing requires a precise combination of various parameters of the VLS grating and the geometry of the RIXS spectrometer. The VLS grating was optimized by calculating the geometry parameters for different photon energies, simulating the instrument and evaluating the pattern on the detector. As figure of merit we chose the intensity times the square of the resolving power averaged over the photon energies.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics: Conference Series
volume
738
issue
1
publisher
IOP Publishing
external identifiers
  • scopus:84988696323
ISSN
1742-6588
DOI
10.1088/1742-6596/738/1/012104
language
English
LU publication?
yes
id
9440ea88-7614-4ce4-97ed-bafb67697db5
date added to LUP
2016-11-09 11:30:26
date last changed
2017-01-01 08:39:14
@article{9440ea88-7614-4ce4-97ed-bafb67697db5,
  abstract     = {<p>At Helmholtz-Zentrum Berlin (HZB) the end-station PEAXIS (Photo Electron Analysis and X-ray resonant Inelastic Spectroscopy) combining Angle-dependent X-ray Photoelectron Spectroscopy (AdXPS) and Resonant Inelastic X-ray Scattering (RIXS) is currently built. The latter method uses a spherical variable line space (VLS) grating to focus the beam onto the detector. Working in first-order diffraction allows resolving photon energy by transferring the energy-dependent signal to a position-dependent focal spot on the detector. Focusing requires a precise combination of various parameters of the VLS grating and the geometry of the RIXS spectrometer. The VLS grating was optimized by calculating the geometry parameters for different photon energies, simulating the instrument and evaluating the pattern on the detector. As figure of merit we chose the intensity times the square of the resolving power averaged over the photon energies.</p>},
  articleno    = {012104},
  author       = {Lieutenant, K. and Hofmann, T. and Zendler, C. and Schulz, C. and Aziz, E. F. and Habicht, K.},
  issn         = {1742-6588},
  language     = {eng},
  month        = {09},
  number       = {1},
  publisher    = {IOP Publishing},
  series       = {Journal of Physics: Conference Series},
  title        = {Numerical optimization of a RIXS spectrometer using raytracing simulations},
  url          = {http://dx.doi.org/10.1088/1742-6596/738/1/012104},
  volume       = {738},
  year         = {2016},
}