MEDSI2016 - List of Keywords (wiggler)

Paper	Title	Other Keywords	Page
TUPE21	CLSI BMIT’s Super-Conducting Wiggler Cryogenic Safety Improvements*	ion, cryogenics, operation, vacuum	209
	L.X. Lin, T.W. Wysokinski CLS, Saskatoon, Saskatchewan, Canada
	4.1 T superconducting (SC) wiggler on CLS Biomedical Imaging and Therapy (BMIT) beamline [1-4] developed a critical problem in the cryogenic safety relief and refill paths. Ice blockage formed and prevented helium gas from relieving during liquid helium (LHe) refill. This resulted in an internal pressure built up, which caused expelling of the LHe and cold gas helium (GHe) from the wiggler cryostat. Several improvements were performed over the years including replacement of the original rupture disk, the pressure relief valves and installation of metal O-ring seals at external ports. Following these improvements, a major upgrade on the wiggler safety relief path was implemented by adding a new vent pipe directly connected to the cryostat for safety exhaust. The LHe refill path was also modified to eliminate possibility of ice blockage. During initial tests after the up-grades, we experienced significant heat load increase which was linked to the thermal acoustic oscillations in the LHe transfer line. The problem was resolved by improving the insulation vacuum in the transfer line and adding a super insulation assembly into the direct vent pipe along with a plug at the refill path. *Work supported by Budker Institute of Nuclear Physics under contract No. C60109-029 ¿ Linda. Lin@lightsource.ca
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUPE21
About •	paper received ※ 08 September 2016 paper accepted ※ 22 September 2016 issue date ※ 22 June 2017
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WEPE03	Beamline Front Ends at the 2.5-GeV Photon Factory Storage Ring	photon, ion, storage-ring, undulator	315
	H. Miyauchi, S. Asaoka, T. Tahara KEK, Ibaraki, Japan
	Since the first commissioning in 1982, the 2.5-GeV Photon Factory storage ring has been upgraded three times in 1986, 1997 and 2005, in order to reduce the beam emittance and to create new four short straight sections for in-vacuum short period undulators. To satisfy the new boundary conditions of the upgrades, the beamline front ends were re-designed. We look back on the history of the beamline front-end components at the Photon Factory.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE03
About •	paper received ※ 15 September 2016 paper accepted ※ 23 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPE09	Designing the Photon Beamline Frontends in the PETRAIII Extension Project	ion, photon, vacuum, damping	330
	H. Krüger, W.A. Caliebe, M. Degenhardt, M. Hesse, F. Marutzky, H.-B. Peters, R. Peters, M. Röhling, H. Schulte-Schrepping, B. Steffen DESY, Hamburg, Germany
	The new insertion device beamlines in the PETRAIII extension project are arranged in three new sector types. Following will present the designs of the photon beamlines frontends for these sectors. The designs are based on the original design concept developed for the photon beamline frontends at PETRAIII. The aim of this generic approach was to minimize the number of specialized components for all beamlines. The existing girder concept allows a fast and reliable installation phase. The newly designed frontends aimed at using the same proven components and minimizing of the number of girder variations. There will be 4 new sectors with two undulator IDs in each sector. The canting angle between the undulators has been increased from 5mrad to 20mrad in difference to the generic beamlines. Additionally, two of the straight sections are modified. One straight section will be transformed in a side station sector with a 1mrad canting angle. The other straight section with the 40m long damping wiggler will be used as a single beamline with a hard X-ray source. The modifications of the original frontend design, the components and the deviations between the sector types are being presented.
	Poster WEPE09 [4.799 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE09
About •	paper received ※ 09 September 2016 paper accepted ※ 23 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Other Keywords

Page

TUPE21

CLSI BMIT’s Super-Conducting Wiggler Cryogenic Safety Improvements*

ion, cryogenics, operation, vacuum

209

L.X. Lin, T.W. Wysokinski
CLS, Saskatoon, Saskatchewan, Canada

4.1 T superconducting (SC) wiggler on CLS Biomedical Imaging and Therapy (BMIT) beamline [1-4] developed a critical problem in the cryogenic safety relief and refill paths. Ice blockage formed and prevented helium gas from relieving during liquid helium (LHe) refill. This resulted in an internal pressure built up, which caused expelling of the LHe and cold gas helium (GHe) from the wiggler cryostat. Several improvements were performed over the years including replacement of the original rupture disk, the pressure relief valves and installation of metal O-ring seals at external ports. Following these improvements, a major upgrade on the wiggler safety relief path was implemented by adding a new vent pipe directly connected to the cryostat for safety exhaust. The LHe refill path was also modified to eliminate possibility of ice blockage. During initial tests after the up-grades, we experienced significant heat load increase which was linked to the thermal acoustic oscillations in the LHe transfer line. The problem was resolved by improving the insulation vacuum in the transfer line and adding a super insulation assembly into the direct vent pipe along with a plug at the refill path.
*Work supported by Budker Institute of Nuclear Physics under contract No. C60109-029
¿ Linda. Lin@lightsource.ca

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUPE21

About •

paper received ※ 08 September 2016 paper accepted ※ 22 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPE03

Beamline Front Ends at the 2.5-GeV Photon Factory Storage Ring

photon, ion, storage-ring, undulator

315

H. Miyauchi, S. Asaoka, T. Tahara
KEK, Ibaraki, Japan

Since the first commissioning in 1982, the 2.5-GeV Photon Factory storage ring has been upgraded three times in 1986, 1997 and 2005, in order to reduce the beam emittance and to create new four short straight sections for in-vacuum short period undulators. To satisfy the new boundary conditions of the upgrades, the beamline front ends were re-designed. We look back on the history of the beamline front-end components at the Photon Factory.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE03

About •

paper received ※ 15 September 2016 paper accepted ※ 23 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPE09

Designing the Photon Beamline Frontends in the PETRAIII Extension Project

ion, photon, vacuum, damping

330

H. Krüger, W.A. Caliebe, M. Degenhardt, M. Hesse, F. Marutzky, H.-B. Peters, R. Peters, M. Röhling, H. Schulte-Schrepping, B. Steffen
DESY, Hamburg, Germany

The new insertion device beamlines in the PETRAIII extension project are arranged in three new sector types. Following will present the designs of the photon beamlines frontends for these sectors. The designs are based on the original design concept developed for the photon beamline frontends at PETRAIII. The aim of this generic approach was to minimize the number of specialized components for all beamlines. The existing girder concept allows a fast and reliable installation phase. The newly designed frontends aimed at using the same proven components and minimizing of the number of girder variations. There will be 4 new sectors with two undulator IDs in each sector. The canting angle between the undulators has been increased from 5mrad to 20mrad in difference to the generic beamlines. Additionally, two of the straight sections are modified. One straight section will be transformed in a side station sector with a 1mrad canting angle. The other straight section with the 40m long damping wiggler will be used as a single beamline with a hard X-ray source. The modifications of the original frontend design, the components and the deviations between the sector types are being presented.

Poster WEPE09 [4.799 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE09

About •

paper received ※ 09 September 2016 paper accepted ※ 23 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)