Unaveraged simulations of a cavity based free electron laser

Pornthep Pongchalee; Brian McNeil

doi:10.1016/j.rinp.2024.107390

Unaveraged simulations of a cavity based free electron laser

Pornthep Pongchalee, Brian McNeil

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Abstract

The computer simulation of a cavity-based (oscillator) Free-Electron Laser (FEL) requires the modelling of both the electron-light interaction in the FEL undulator and the radiation propagation within the optical cavity. The unaveraged 3D FEL simulation code Puffin has been coupled with the Optical Propagation Code (OPC) to allow a broadband, high temporal-resolution cavity FEL to be modelled for the first time. This requires the translation of the radiation field formats between the Puffin and OPC codes. This translation is described and the coupled codes are then used to model an example of a Regenerative Amplifier FEL operating in the VUV.

Original language	English
Article number	107390
Number of pages	5
Journal	Results in Physics
Volume	57
Early online date	24 Jan 2024
DOIs	https://doi.org/10.1016/j.rinp.2024.107390
Publication status	Published - 29 Feb 2024

Funding

We are grateful to funding from the Science and Technology Facilities Council (Agreement Number 4163192 Release #3) which enabled this research.

Keywords

free electron laser
RAFEL
unaveraged simulation

Access to Document

10.1016/j.rinp.2024.107390Licence: CC BY 4.0

Pongchalee-McNeil-RP-2024-Unaveraged-simulations-of-a-cavity-based-free-electron-laserFinal published version, 1.06 MBLicence: CC BY 4.0

STFC MoA 4132361: Free Electron Lasers and Advanced Light Sources
McNeil, B. (Principal Investigator)
STFC Science and Technology Facilities Council
1/04/11 → 31/03/26
Project: Research

Cite this

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abstract = "The computer simulation of a cavity-based (oscillator) Free-Electron Laser (FEL) requires the modelling of both the electron-light interaction in the FEL undulator and the radiation propagation within the optical cavity. The unaveraged 3D FEL simulation code Puffin has been coupled with the Optical Propagation Code (OPC) to allow a broadband, high temporal-resolution cavity FEL to be modelled for the first time. This requires the translation of the radiation field formats between the Puffin and OPC codes. This translation is described and the coupled codes are then used to model an example of a Regenerative Amplifier FEL operating in the VUV.",

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AB - The computer simulation of a cavity-based (oscillator) Free-Electron Laser (FEL) requires the modelling of both the electron-light interaction in the FEL undulator and the radiation propagation within the optical cavity. The unaveraged 3D FEL simulation code Puffin has been coupled with the Optical Propagation Code (OPC) to allow a broadband, high temporal-resolution cavity FEL to be modelled for the first time. This requires the translation of the radiation field formats between the Puffin and OPC codes. This translation is described and the coupled codes are then used to model an example of a Regenerative Amplifier FEL operating in the VUV.

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ER -

Unaveraged simulations of a cavity based free electron laser

Abstract

Funding

Keywords

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Projects

STFC MoA 4132361: Free Electron Lasers and Advanced Light Sources

Cite this