Data analysis of photon beam position at PLS-II

Data analysis of photon beam position at PLS-II

In the third generation light source, photon beam position stability is critical issue on user experiment. Generally photon beam position monitors have been developed for the detection of the real photon beam position and the position is controlled by feedback system in order to keep the reference p...

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Veröffentlicht in:AIP conference proceedings 2016-07, Vol.1741 (1)
Hauptverfasser: Ko, J., Shin, S., Huang, Jung-Yun, Kim, D., Kim, C., Kim, Ilyou, Lee, T.-Y., Park, C.-D., Kim, K. R., Cho, Moohyun
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Sprache:eng
Schlagworte:
BEAM POSITION
DATA ANALYSIS
DECOMPOSITION
DETECTION
DIPOLES
FEEDBACK
NOISE
PARTICLE ACCELERATORS
PHOTON BEAMS
PHOTONS
RELIABILITY
STABILITY
WIGGLER MAGNETS
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container_issue 1
container_start_page
container_title AIP conference proceedings
container_volume 1741
creator Ko, J.
Shin, S.
Huang, Jung-Yun
Kim, D.
Kim, C.
Kim, Ilyou
Lee, T.-Y.
Park, C.-D.
Kim, K. R.
Cho, Moohyun
description In the third generation light source, photon beam position stability is critical issue on user experiment. Generally photon beam position monitors have been developed for the detection of the real photon beam position and the position is controlled by feedback system in order to keep the reference photon beam position. In the PLS-II, photon beam position stability for front end of particular beam line, in which photon beam position monitor is installed, has been obtained less than rms 1μm for user service period. Nevertheless, detail analysis for photon beam position data in order to demonstrate the performance of photon beam position monitor is necessary, since it can be suffers from various unknown noises. (for instance, a back ground contamination due to upstream or downstream dipole radiation, undulator gap dependence, etc.) In this paper, we will describe the start to end study for photon beam position stability and the Singular Value Decomposition (SVD) analysis to demonstrate the reliability on photon beam position data.
doi_str_mv 10.1063/1.4952799
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subjects BEAM POSITION
DATA ANALYSIS
DECOMPOSITION
DETECTION
DIPOLES
FEEDBACK
NOISE
PARTICLE ACCELERATORS
PHOTON BEAMS
PHOTONS
RELIABILITY
STABILITY
WIGGLER MAGNETS
title Data analysis of photon beam position at PLS-II
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