Author: Fan, Z.
Paper Title Page
WEP002 Study of Visible Synchrotron Radiation Monitor on SOLEIL Booster 331
 
  • A. Moutardier, G. Cauchon, M. Chevrot, Z. Fan, N. Hubert, S. Kubsky, M. Labat, M. Thomasset
    SOLEIL, Gif-sur-Yvette, France
 
  In the scope of SOLEIL II, the booster must also be upgraded to reduce from 130 to 5~nm.rad the emittance of the beam delivered to the ring. Control of the emittance in the booster will become crucial to ensure the nominal performance of the storage ring injection. The SOLEIL I booster is already equipped with a Visible Synchrotron Radiation Monitor (MRSV). This equipment, made of an extraction mirror and a simple optical system, was originally planned to be used only for beam presence verification but has not been used routinely for operation since the commissioning in 2005. The control and acquisition systems had to be refreshed to be usable again and allow the beam size measurement along the booster energy ramp. The extraction mirror was replaced due to unexpected degradation leading to a second spot appearing on the camera. This paper traces back the MRSV upgrades from understanding the cause of mirror degradation until mirror replacement and the first proper beam visualisation, achieved at the beginning of 2023.  
poster icon Poster WEP002 [1.550 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2023-WEP002  
About • Received ※ 04 September 2023 — Revised ※ 09 September 2023 — Accepted ※ 12 September 2023 — Issue date ※ 16 September 2023
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