The Energy Deposition on the ILC Realistic Undulator Wall
Khaled Alharbi (1,2, 3), Ayash Alrashdi (3), Sabine Riemann (2), ((1) Hamburg University, Germany, (2) Deutsches Elektronen-Synchrotron,, Zeuthen, Germany, (3) King Abdul-Aziz City for Science, Technology,, Riyadh, Kingdom of Saudi Arabia)
TL;DR
This paper investigates the energy deposition on the ILC undulator wall by simulating photon spectra and assessing the impact of masks on photon properties to improve undulator safety and performance.
Contribution
It introduces a detailed simulation approach to evaluate photon energy spectra and the effects of masks inside the ILC undulator for the first time.
Findings
Masks reduce incident power on the wall.
Masks influence photon polarization.
Photon energy spectrum is affected by mask placement.
Abstract
Since the undulator wall is being bombarded by photon produced in the ILC helical undulator, masks were installed inside the undulator to protect the superconducting undulator as well as the vacuum. The photon energy spectrum was used to calculate the incident power. HUSR software was used to simulate the photon energy spectrum per meter inside the undulator. The influence of adding masks inside the undulator on the photon polarisation and energy spectrum was also studied.
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