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Related Experiment Video

Updated: Jun 21, 2026

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

Published on: October 23, 2018

Time-dependent, three-dimensional simulation of free-electron-laser oscillators.

P J M van der Slot¹, H P Freund, W H Miner

¹University of Twente, LPNO, MESA(+) Institute for Nanotechnology, 7500 AE Enschede, The Netherlands.

Physical Review Letters

|August 8, 2009

Summary

We developed a simulation for free-electron-laser (FEL) oscillators. This new method combines MEDUSA and OPC codes, showing substantial agreement with experimental results from the Thomas Jefferson National Accelerator Facility.

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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Published on: February 4, 2017

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Last Updated: Jun 21, 2026

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Published on: October 23, 2018

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Area of Science:

Physics
Quantum Optics
Accelerator Science

Background:

Free-electron-laser (FEL) oscillators are crucial for advanced light source research.
Accurate simulations are essential for understanding and optimizing FEL performance.

Purpose of the Study:

To present a novel simulation procedure for free-electron-laser (FEL) oscillators.
To validate the simulation against experimental data.

Main Methods:

The simulation integrates the MEDUSA code for FEL-electron beam interaction.
The OPC code is employed to model the optical resonator.
Simulations were benchmarked against observations from the Thomas Jefferson National Accelerator Facility.

Main Results:

The simulation accurately models the behavior of FEL oscillators.
Results show substantial agreement between simulated and experimental data.
The combined MEDUSA-OPC approach provides a reliable tool for FEL research.

Conclusions:

The described simulation procedure is a validated and effective tool for studying FEL oscillators.
This method can aid in the design and optimization of future FEL facilities.
The findings support the use of computational modeling in accelerator physics.