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Modelling the effects of optical vibrations on photon beam parameters using ray-tracing software.

C Houghton1, C Bloomer1, L Alianelli1

  • 1Diamond Light Source Ltd, United Kingdom.

Journal of Synchrotron Radiation
|September 3, 2021
PubMed
Summary

A new simulation method models how optical component motion affects synchrotron beam stability. This helps identify components that can cause errors, ensuring better beam quality for advanced detectors and low-emittance lattices.

Keywords:
OASYSX-raysshadowssimulationssynchrotron

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Area of Science:

  • Optics and photonics
  • Synchrotron radiation science
  • Computational physics

Background:

  • High-frequency detectors and low-emittance lattices demand enhanced beam stability.
  • Understanding the impact of optical component motion is crucial for maintaining beam quality.

Purpose of the Study:

  • To develop a simulation method for analyzing the effect of optical component motion on beamline sample-point properties.
  • To identify optical elements that may negatively impact beam stability.

Main Methods:

  • Utilized stationary ray-tracing simulations (SHADOW3 in OASYS) in multiple iterations.
  • Stitched simulations to create a pseudo-dynamic beamline model.
  • Focused on modeling the physical vibration of optical elements.

Main Results:

  • Developed a method to simulate pseudo-dynamic beamline behavior.
  • Enabled estimation of motion-induced changes in beam size and position.
  • Demonstrated the ability to analyze multiple beam parameters without manual input.

Conclusions:

  • The developed simulation method aids in identifying problematic optical components.
  • Applicable during beamline design and operation to improve beam stability.
  • Essential for conserving beam brightness in next-generation synchrotron facilities.