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

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.