MEDSI2016 - List of Keywords (feedback)

Paper	Title	Other Keywords	Page
MOPE13	The 20m/s CERN Fast Vacuum Wire Scanner Conceptual Design and Implementation	ion, vacuum, controls, ISOL	29
	J. Herranz Proactive Research and Development, Barcelona, Spain W. Andreazza, N. Chritin, B. Dehning, J. Emery, D. Gudkov, P. Magagnin, S. Samuelsson, J.L. Sirvent, R. Veness CERN, Geneva, Switzerland A. Barjau Universitat Politécnica de Catalunya, Barcelona, Spain
	In the next years the luminosity of the LHC will be significantly increased. Therefore a much higher accuracy of beam profile measurement than actually achievable by the current wire scanner is required. The new performance demands a wire travelling speed up to 20 m/s and a position measurement accuracy of the order of 1 µm. In order to minimize the error source of the wire position measurement, a challenging concept has been developed which consists of the placement of the motor rotor and the angular position sensor in vacuum. The implementation of this new concept requires the use of a magnetic brake, hybrid vacuum bearings, the design and production of very thin (<0.5mm) wall vacuum chamber regions and the production of titanium components by 3D additive technologies. The implementation of this new concept has required different optimization processes as the structural optimization under dynamic load of the most critical rotating elements or the optimization of the control system and the motion pattern. This contribution gives an overview of the new device design and shows the different technical solution applied to develop the new concept in a successful way.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-MOPE13
About •	paper received ※ 10 September 2016 paper accepted ※ 20 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUCA05	The New High Dynamics DCM for Sirius	ion, controls, synchrotron, GUI	141
	R.R. Geraldes, R.M. Caliari, G.B.Z.L. Moreno, L. Sanfelici, M. Saveri Silva, N.M. Souza Neto, H.C.N. Tolentino, H. Westfahl Jr. LNLS, Campinas, Brazil T.A.M. Ruijl, R.M. Schneider MI-Partners, Eindhoven, The Netherlands
	Funding: Brazilian Ministry of Science, Technology, Innovation and Communication The monochromator is known to be one of the most critical optical elements of a synchrotron beamline, since it directly affects the beam quality with respect to energy and position. The new 4th generation machines, with emittances in the range of order of 100 pm rad, require even higher stability performances, in spite of the still conflicting factors such as high power loads, power load variation, and vibration sources. A new high-dynamics DCM (Double Crystal Monochromator) is under development at the Brazilian Synchrotron Light Laboratory for the future X-ray undulator and superbend beamlines of Sirius. Aiming at an inter-crystal stability of a few tens of nrad (even during the Bragg angle motion for flyscans) and considering the limitations of current DCM implementations, several aspects of the DCM engineering are being revisited. In order to achieve a highly repeatable dynamic system, with a servocontrol bandwidth in the range of 200 Hz to 300 Hz, solutions are proposed for a few topics, including: actuators and guides, metrology and feedback, LN2 indirect cooling, crystal clamping, thermal management and shielding. The concept of this high-dynamics DCM will be presented.
	Slides TUCA05 [2.254 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUCA05
About •	paper received ※ 11 September 2016 paper accepted ※ 20 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WECA07	Engineering Challenges of the VMXi Beamline	ion, detector, controls, MMI	304
	J.H. Kelly DLS, Oxfordshire, United Kingdom
	The in-situ versatile macromolecular X-tallography (VMXi) beamline delivers a high flux density, taking data directly from crystallisation experiments within the plate, using a fully automated endstation. A double multilayer monochromator (DMM) was designed in-house to deliver a 60 fold increase in flux. Two robots and an automated load-lock pass the plates from the crystallisation storage units to the goniometer. A compact endstation was designed to accept the high flux and take data with acquisition times down to a millisecond. This paper gives an overview of the beamline layout and the interesting pieces of engineering design. The beamline is planned to take first user at the end of 2016.
	Slides WECA07 [5.292 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WECA07
About •	paper received ※ 08 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)

WEPE39	Fabrication, Assembly, and Metrology Methods to Optimize an Adjustable Exit Slit for a Soft X-ray Beamline	ion, vacuum, insertion, site	374
	J.H. Takakuwa, C.D. Hernikl, T.M. Lipton, T.A. Stevens, T. Warwick LBNL, Berkeley, California, USA
	Exit slit edge geometry and paired edge parallelism can directly impact performance of a synchrotron beamline. At the same time, maximizing the performance of an existing design is often a financial and logistical necessity. The construction project for beamline 7.0.1 (BL7.0.1, COherent Scattering and MICroscopy (COSMIC)) at the Advanced Light Source (ALS) facility located at Lawrence Berkeley National Laboratory (LBNL) consists of two branch lines, each of which has vertical and horizontal slit assemblies. These assemblies were fabricated from a preexisting design, positively impacting project schedule and budget. Apart from orientation, the slit assemblies are identical. The goal for parallelism is ± 2 microns over the full 25 mm length. The each slit blade edge can travel ± 5 mm about the beam center with the resolution of a micron; slits can scan over that range with a nominal size of about 10 microns. A variety of fabrication and metrology techniques were implemented to maximize the performance of the current design and future areas of improvement in fabrication, metrology, and design were identified.
	Poster WEPE39 [3.111 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE39
About •	paper received ※ 07 September 2016 paper accepted ※ 16 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

MOPE13

The 20m/s CERN Fast Vacuum Wire Scanner Conceptual Design and Implementation

ion, vacuum, controls, ISOL

29

J. Herranz
Proactive Research and Development, Barcelona, Spain
W. Andreazza, N. Chritin, B. Dehning, J. Emery, D. Gudkov, P. Magagnin, S. Samuelsson, J.L. Sirvent, R. Veness
CERN, Geneva, Switzerland
A. Barjau
Universitat Politécnica de Catalunya, Barcelona, Spain

In the next years the luminosity of the LHC will be significantly increased. Therefore a much higher accuracy of beam profile measurement than actually achievable by the current wire scanner is required. The new performance demands a wire travelling speed up to 20 m/s and a position measurement accuracy of the order of 1 µm. In order to minimize the error source of the wire position measurement, a challenging concept has been developed which consists of the placement of the motor rotor and the angular position sensor in vacuum. The implementation of this new concept requires the use of a magnetic brake, hybrid vacuum bearings, the design and production of very thin (<0.5mm) wall vacuum chamber regions and the production of titanium components by 3D additive technologies. The implementation of this new concept has required different optimization processes as the structural optimization under dynamic load of the most critical rotating elements or the optimization of the control system and the motion pattern. This contribution gives an overview of the new device design and shows the different technical solution applied to develop the new concept in a successful way.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-MOPE13

About •

paper received ※ 10 September 2016 paper accepted ※ 20 September 2016 issue date ※ 22 June 2017

Export •

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

TUCA05

The New High Dynamics DCM for Sirius

ion, controls, synchrotron, GUI

141

R.R. Geraldes, R.M. Caliari, G.B.Z.L. Moreno, L. Sanfelici, M. Saveri Silva, N.M. Souza Neto, H.C.N. Tolentino, H. Westfahl Jr.
LNLS, Campinas, Brazil
T.A.M. Ruijl, R.M. Schneider
MI-Partners, Eindhoven, The Netherlands

Funding: Brazilian Ministry of Science, Technology, Innovation and Communication
The monochromator is known to be one of the most critical optical elements of a synchrotron beamline, since it directly affects the beam quality with respect to energy and position. The new 4th generation machines, with emittances in the range of order of 100 pm rad, require even higher stability performances, in spite of the still conflicting factors such as high power loads, power load variation, and vibration sources. A new high-dynamics DCM (Double Crystal Monochromator) is under development at the Brazilian Synchrotron Light Laboratory for the future X-ray undulator and superbend beamlines of Sirius. Aiming at an inter-crystal stability of a few tens of nrad (even during the Bragg angle motion for flyscans) and considering the limitations of current DCM implementations, several aspects of the DCM engineering are being revisited. In order to achieve a highly repeatable dynamic system, with a servocontrol bandwidth in the range of 200 Hz to 300 Hz, solutions are proposed for a few topics, including: actuators and guides, metrology and feedback, LN2 indirect cooling, crystal clamping, thermal management and shielding. The concept of this high-dynamics DCM will be presented.

Slides TUCA05 [2.254 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUCA05

About •

paper received ※ 11 September 2016 paper accepted ※ 20 September 2016 issue date ※ 22 June 2017

Export •

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

WECA07

Engineering Challenges of the VMXi Beamline

ion, detector, controls, MMI

304

J.H. Kelly
DLS, Oxfordshire, United Kingdom

The in-situ versatile macromolecular X-tallography (VMXi) beamline delivers a high flux density, taking data directly from crystallisation experiments within the plate, using a fully automated endstation. A double multilayer monochromator (DMM) was designed in-house to deliver a 60 fold increase in flux. Two robots and an automated load-lock pass the plates from the crystallisation storage units to the goniometer. A compact endstation was designed to accept the high flux and take data with acquisition times down to a millisecond. This paper gives an overview of the beamline layout and the interesting pieces of engineering design. The beamline is planned to take first user at the end of 2016.

Slides WECA07 [5.292 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WECA07

About •

paper received ※ 08 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)

WEPE39

Fabrication, Assembly, and Metrology Methods to Optimize an Adjustable Exit Slit for a Soft X-ray Beamline

ion, vacuum, insertion, site

374

J.H. Takakuwa, C.D. Hernikl, T.M. Lipton, T.A. Stevens, T. Warwick
LBNL, Berkeley, California, USA

Exit slit edge geometry and paired edge parallelism can directly impact performance of a synchrotron beamline. At the same time, maximizing the performance of an existing design is often a financial and logistical necessity. The construction project for beamline 7.0.1 (BL7.0.1, COherent Scattering and MICroscopy (COSMIC)) at the Advanced Light Source (ALS) facility located at Lawrence Berkeley National Laboratory (LBNL) consists of two branch lines, each of which has vertical and horizontal slit assemblies. These assemblies were fabricated from a preexisting design, positively impacting project schedule and budget. Apart from orientation, the slit assemblies are identical. The goal for parallelism is ± 2 microns over the full 25 mm length. The each slit blade edge can travel ± 5 mm about the beam center with the resolution of a micron; slits can scan over that range with a nominal size of about 10 microns. A variety of fabrication and metrology techniques were implemented to maximize the performance of the current design and future areas of improvement in fabrication, metrology, and design were identified.

Poster WEPE39 [3.111 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE39

About •

paper received ※ 07 September 2016 paper accepted ※ 16 September 2016 issue date ※ 22 June 2017

Export •

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