Presentation is loading. Please wait.

Presentation is loading. Please wait.

TATIONpRÆSEN January 25, 2013 AARHUS UNIVERSITET Raster Scanning of the ESS Beam Heine Dølrath Thomsen 1.

Published byColeen Walsh Modified over 8 years ago

Similar presentations

Presentation on theme: "TATIONpRÆSEN January 25, 2013 AARHUS UNIVERSITET Raster Scanning of the ESS Beam Heine Dølrath Thomsen 1."— Presentation transcript:

1 TATIONpRÆSEN January 25, 2013 AARHUS UNIVERSITET Raster Scanning of the ESS Beam Heine Dølrath Thomsen 1

2 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET The HEBT (28.05 2012) 2 Dipoles, Quadrupoles Octupoles ›UHB: Energy upgrade + movable collimators. ›ACH: Achromatic elevation. Tune-up lines below. ›A2T: Beam expander system (non-linear) + fixed collimator.

3 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Exploiting the target footprint area! 3 Lowering the max. current density J => increasing target life! J [µA/cm 2 ]

4 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems I: DC Magnets 4 ESS2003-LP ESS2003-SP, CSNS, IFMIF

5 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET The HEBT (28.05 2012) 5 Dipoles, Quadrupoles Octupoles

6 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET 6

7 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 1D Rastering 7

8 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 1D Rastering 8

9 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 1D Rastering 9

10 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 1D Rastering 10

11 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 2D Rastering 11 Traditionally:Hor. MPS: Slow Ver. MPS: Fast

12 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: 2D Rastering 12

13 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Beam Expander Systems II: LANL APT 13 x,y [arb. units] One ESS pulse fy/fx = 5:4

14 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Linear optics: 10 RMS beam size 14 ACH A2T triplet 4+4 r.m. doublet

15 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Multiparticle: 1 Mparticles of SCL output 15

16 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Monte Carlo Simulation: 5:4 pattern 16 10 Mparticles - time-lapse: http://users-phys.au.dk/heinetho/raster_anim_MC.gif

17 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Choice of frequencies? ›f0 = 1 / Δt = 350 Hz ›fx = nx × f0 ›fy = ny × f0 Conditions: 1)nx, ny are integers 2)nx/ny as irrational as possible? 3)Intensity modulations at instruments? ›Frequency stability ›Modest phase stability 17

18 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET High Frequencies? Existing Systems ›J-LAB: ›B = 40 G, L =15 cm ›f = 10-45 kHz ›Air-coils of Litz-wire ›H-bridge of MOSFETs ›LANL APT ( 1.7 GeV, 100 mA ): ›B = 500 G, L = 4 x 30 cm ›f = 0.5-0.6 kHz ›Ferrite-based magnets ›H-bridge of IGBTs ›LANL MTS: ›f = (20 + 60) kHz (sinus.) ESS? ›B = 250 G, L = 4 x 30 cm? ›f = 5-20 kHz? (TD + Science) ›Air-coils? 18

19 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET ESS Lissajous System ›Linear optics! ›All feasible magnetic elements ›Losses: 0 / 10 6 particles! Choice of frequency set? ›Neutron yield modulation at instruments? ›Target stress & fatigue? ›… 19

20 HEINE DØLRATH THOMSEN January 25, 2013 AARHUS UNIVERSITET Development of the Lissajous System 20 AC MagnetsModulator Beam Optics HDT, ISA 2013.06: CDR for Lissajous system 2013.10: Comparison of beam expanders 2014:TDR + prototype Design partner

Download ppt "TATIONpRÆSEN January 25, 2013 AARHUS UNIVERSITET Raster Scanning of the ESS Beam Heine Dølrath Thomsen 1."

Similar presentations

Test Beam at IHEP,CAS ZHANG Liang sheng, Test Beam Group Introduction BEPC/BES Ⅱ will be upgraded as BEPC Ⅱ / BES Ⅲ, it is necessary to do beam test for.

Test Beam at IHEP,CAS ZHANG Liang sheng, Test Beam Group Introduction BEPC/BES Ⅱ will be upgraded as BEPC Ⅱ / BES Ⅲ, it is necessary to do beam test for.
Inverse Cyclotrons for Intense Muon Beams – Phase I Kevin Paul Tech-X Corporation Don Summers University of Mississippi ABSTRACT: I will summarize the.

Inverse Cyclotrons for Intense Muon Beams – Phase I Kevin Paul Tech-X Corporation Don Summers University of Mississippi ABSTRACT: I will summarize the.
Manchester University and the Cockcroft Institute Roger Barlow Technologies manchester.ac.uk Accelerators for ADSRs An account of the requirements.

Manchester University and the Cockcroft Institute Roger Barlow Technologies manchester.ac.uk Accelerators for ADSRs An account of the requirements.
ESS End-to-End Optics and Layout Integration Håkan Danared European Spallation Source Catania, 6 July 2011.

ESS End-to-End Optics and Layout Integration Håkan Danared European Spallation Source Catania, 6 July 2011.
Thomas Roser ICFA HB-2004 Workshop October 18, 2004 Plans for Future Megawatt Facilities Introduction Issues of high intensity beam acceleration Proposals.

Thomas Roser ICFA HB-2004 Workshop October 18, 2004 Plans for Future Megawatt Facilities Introduction Issues of high intensity beam acceleration Proposals.
Experience with Bunch Shape Monitors at SNS A. Aleksandrov Spallation Neutron Source, Oak Ridge, USA.

Experience with Bunch Shape Monitors at SNS A. Aleksandrov Spallation Neutron Source, Oak Ridge, USA.
Masahito TOMIZAWA and Satoshi MIHARA Accelerator and proton beam.

Masahito TOMIZAWA and Satoshi MIHARA Accelerator and proton beam.
LLRF Requirement and Parameters at ESS Rihua Zeng, Anders J Johansson LLRF workshop, Hamburg, 2011-10- 20 1.

LLRF Requirement and Parameters at ESS Rihua Zeng, Anders J Johansson LLRF workshop, Hamburg,
Beam Position Stabilization Using an Active Collimator in Hall D at Jefferson Lab Richard Jones, University of Connecticut, for the GlueX collaboration.

Beam Position Stabilization Using an Active Collimator in Hall D at Jefferson Lab Richard Jones, University of Connecticut, for the GlueX collaboration.
Transport formalism Taylor map: Third order Linear matrix elementsSecond order matrix elements Truncated maps Violation of the symplectic condition !

Transport formalism Taylor map: Third order Linear matrix elementsSecond order matrix elements Truncated maps Violation of the symplectic condition !
CESR-c Status CESR Layout - Pretzel, Wigglers, solenoid compensation Performance to date Design parameters Our understanding of shortfall Plans for remediation.

CESR-c Status CESR Layout - Pretzel, Wigglers, solenoid compensation Performance to date Design parameters Our understanding of shortfall Plans for remediation.
Linear Collider Machine Protection Issues M. Palmer Injection System Injector Damping Rings Bunch Compressor and Transfer Sections Main LINAC Beam Delivery.

Linear Collider Machine Protection Issues M. Palmer Injection System Injector Damping Rings Bunch Compressor and Transfer Sections Main LINAC Beam Delivery.
1 BROOKHAVEN SCIENCE ASSOCIATES NSLS-II Stability Workshop April. 18-20, 2007 NSLS-II Electrical Systems G. Ganetis NSLS-II Electrical Systems NSLS-II.

1 BROOKHAVEN SCIENCE ASSOCIATES NSLS-II Stability Workshop April , 2007 NSLS-II Electrical Systems G. Ganetis NSLS-II Electrical Systems NSLS-II.
Options for a 50Hz, 10 MW, Short Pulse Spallation Neutron Source G H Rees, ASTeC, CCLRC, RAL, UK.

Options for a 50Hz, 10 MW, Short Pulse Spallation Neutron Source G H Rees, ASTeC, CCLRC, RAL, UK.
(ISS) Topics Studied at RAL G H Rees, RAL, UK. ISS Work Areas 1. Bunch train patterns for the acceleration and storage of μ ± beams. 2. A 50Hz, 1.2 MW,

(ISS) Topics Studied at RAL G H Rees, RAL, UK. ISS Work Areas 1. Bunch train patterns for the acceleration and storage of μ ± beams. 2. A 50Hz, 1.2 MW,
TATIONpRÆSEN ESS TAC, 5-6 Nov, 2014 AARHUS UNIVERSITET High Energy Collimator Recommendation H.D. Thomsen, S.P. Møller (ISA, Aarhus University) M. Eshraqi,

TATIONpRÆSEN ESS TAC, 5-6 Nov, 2014 AARHUS UNIVERSITET High Energy Collimator Recommendation H.D. Thomsen, S.P. Møller (ISA, Aarhus University) M. Eshraqi,
Study of a new high power spallation target concept

Study of a new high power spallation target concept
Performance Improvement of APS Booster Ring Dipole Magnet Power Supplies Ju Wang The 3 rd Workshop on Power Converters for Particle.

Performance Improvement of APS Booster Ring Dipole Magnet Power Supplies Ju Wang The 3 rd Workshop on Power Converters for Particle.
Brookhaven Science Associates U.S. Department of Energy AGS Upgrade and Super Neutrino Beam DOE Annual HEP Program Review April 27-28, 2005 Derek I. Lowenstein.

Brookhaven Science Associates U.S. Department of Energy AGS Upgrade and Super Neutrino Beam DOE Annual HEP Program Review April 27-28, 2005 Derek I. Lowenstein.
TATIONpRÆSEN APRIL 8, 2014 AARHUS UNIVERSITET Commissioning of the A2T: DC and AC Magnet Systems Heine Dølrath Thomsen, ISA, Aarhus University 1.

TATIONpRÆSEN APRIL 8, 2014 AARHUS UNIVERSITET Commissioning of the A2T: DC and AC Magnet Systems Heine Dølrath Thomsen, ISA, Aarhus University 1.

Similar presentations

Ads by Google