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TUPMK002 |
First Tests of the Apple II Undulator for the LOREA Insertion Device and Front End |
1488 |
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- J. Campmany, L.G.O. Garcia-Orta, J. Marcos, Z. Martí, V. Massana, M. Quispe
ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
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ALBA synchrotron is currently installing the new beamline LOREA (Low-Energy Ultra-High-Resolution Angular Photoemission for Complex Materials at ALBA). It operates in the range of 10 - 1500 eV with polarized light. To produce the light for the beamline, an Apple II undulator with a period of 125 mm has been chosen. It can operate as an undulator at low energies and as a wiggler at high energies, providing a wide energy range. The device was built by KYMA, delivered on February 2017 and installed in August 2017. We present the magnetic measurements made during SAT as well as the simulations of the influence of the ID in the electron beam dynamics and the first measurements with beam. On the other hand, the high demanding characteristics of the beamline lead to a device providing high power and wide beam in some working modes. This situation has been a challenge for the Front End (FE) thermal load. It has been built by the companies RMP and TVP, and the FE modules have been installed in the tunnel along autumn 2017. We present the Site Acceptance Tests results as well as the technical solutions adopted, especially in terms of mechanical design and used materials.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-TUPMK002
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WEPMF001 |
Upgrade of the ALBA Magnetic Laboratory for Measuring LIPAc HEBT Quadrupoles and Dipole |
2369 |
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- J. Campmany, F. Becheri, L.G.O. Garcia-Orta, J. Marcos, V. Massana, R. Petrocelli
ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
- B. Brañas, J. Castellanos
CIEMAT, Madrid, Spain
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Along 2017 ALBA magnetic measurements facility has measured LIPAc HEBT quadrupoles and dipole designed by CIEMAT and built by ELYTT company. ALBA magnetic measurements laboratory has been improved through an upgrade program of its measurement benches to complete their measurements. One of the main aims of the upgrade has been to standardize both the hardware and software and therefore ensure an easy maintenance. Especially relevant has been the upgrade of the flipping coil bench, in which the DC motors and the obsolete controller have been replaced by step-motors and ICEPAP controller. Also, software has been migrated to Tango package. Hardware and software of Hall probe bench has been upgraded as well, using the last DeltaTau motion controller. Tango has been upgraded too, using Devian 8 as operative system. Next step will be the upgrade of the rotating coil hardware and software using also step-motor and ICEPAP controller. In parallel, new shafts have been build and tested, with specific designs to improve the sensitivity and minimize the noise to signal ratio. In this contribution we detail the upgrades and the results of performance tests.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-WEPMF001
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