NSRRC Current Status and the TPS Project

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1 NSRRC Current Status and the TPS Project Chien-Te Chen July 21,

2 Milestones 1981 Dec. Feasibility study began 1983 Jul. SRRC Project approved by the government 1986 Mar. Preparatory Office of SRRC established 1993 Apr. First beam stored in the storage ring Oct. Taiwan Light Source Dedication Ceremony 1998 Dec. SPring-8 Taiwan Beamlines Project started 2000 Feb. 1.5 GeV full energy injection 2001 Dec. SPring-8 Taiwan Beamlines Project completed 2003 May SRRC reorganization into NSRRC 1-2

3 NSRRC Organization Board of Trustees Directorate Light Source Division K. T. Hsu Instrumentation Development Division J. R. Chen Beamline Division S. C. Chung Research Division Y. W. Yang Radiation & Operation Safety Division J. P. Wang Power Supply Vacuum Beamline R&D Molecular Science User Administration Accounting Beam Dynamics Magnet Beamline Support Nano Science SPring-8 Group General Affairs Radio Frequency Mechanical Positioning Protein Diffraction Magnetism Information Instrumentation & Control Utility Device Technology Materials Science Personnel Accelerator Operatin Cryogenics X-ray Exp. Technology Life Science Planning Procurement 1-3

4 Taiwan Light Source Accelerator Facility Beamline Bending Magnet Quadrupole Magnet Pulsed Injection Magnet Sextupole Magnet RF Cavity Insertion Device Storage Ring (1.51 GeV) LINAC Transport Line Booster Ring (1.51 GeV) 1-4

5 Light Source Energy: Current: Operation 1.51 GeV 200 ma Lifetime: σ v =80 µm σ v =150 µm Stability: ~ 1 µm Drift: Up-time: > 97% < 10 µm/8 hr Operation: user time machine study Major Upgrades (2004~2006) High precision 22.8 kv electric power and grounding system (2004.6) 500 MHz/500 ma Superconducting RF (SRF) project ( ) Top-up injection ( ) Digital longitudinal feedback system for 500 ma (2006.6) 1-5

ma to 500 ma e - e - To eliminate beam instabilities caused

6 Superconducting RF (SRF) Project Goals To increase the maximum electron beam current of the storage ring from 240 ma to 500 ma e - e - To eliminate beam instabilities caused by the strong higherorder modes (HOMs) of the existing RF cavities 1-6

7 SRF Installation and Commissioning Installation (Nov. 10, 2004) Commissioning completed (Dec. 16, 2004) 3.5 K-edge Ln(I 0 )/(I t ) Energy (ev) First light (Dec. 16, 2004) First EXAFS Spectroscopy 1-7

8 Superconducting Insertion Devices Superconducting Wavelength Shifter (SWLS) Superconducting Wiggler (SW6) 1-8

9 Top-up Injection Goals To relieve from the short beam lifetime due to low emittence lattice, high stored current, small vacuum chamber, etc. To increase the thermal stability of optical components in the beamlines and a better beam orbit control in the storage ring 1-9

10 Experiment of Top-up injection User s shift decay mode Test of top-up mode Filling pattern at the end of top-up injection Filling pattern at the beginning of top-up injection Zoom in, injection interval 2 min. 1-10

11 Facility Development SRRC 1993 NSRRC 2005 Light Source: GeV Insertion Device: 0 8 Beamline: 3 27 End Station: Taiwan Contract Beamlines at SPring

12 SPring-8 Taiwan Beamlines Project 1-12

13 A World-record Energy Resolving Power Photoabsorption Spectrum in the Autoionization Region 11s /9d of Ar Gas U9 Spectroscopy Beamline 1-13

14 Advanced Photon and Electron Spin Resolved Photoemission Facility 1-14

15 Novel 3D Octopole Superconducting Magnet 1-15

16 State-of-the-Art Chemical Dynamics Experimental Station 1-16

Unique Inelastic X-ray Scattering Spectrometer The first spectrum after commissioning Normalized Intensity 1 0 0.004 0.002 0.

17 Unique Inelastic X-ray Scattering Spectrometer The first spectrum after commissioning Normalized Intensity FWHM = 0.88 ev ev (15 ev from elastic peak) Energy (ev) 1-17

Statistics of Users No. of User Runs No.

1996 1998 2000 2002 2004 4000 3500 3000 2500 2000

Materials Science 18% Condensed Physics 13% Chemistry

15% Atomic & Molecular Science 10% Bio Structure 5%

Industrial Applications 2% Others 2% Methodology &

18 Statistics of Users No. of User Runs No. of Experiments Materials Science 18% Condensed Physics 13% Chemistry 17% Soft Matter 6% Surface, Interface and Thin Film 15% Atomic & Molecular Science 10% Bio Structure 5% Environmental & Earth Science 5% Nano Fabrication 5% Industrial Applications 2% Others 2% Methodology & Instrumentation 2% Domestic: 71 institutes 750 active users Foreign: 84 institutes 1-18

19 Taiwan Photon Source (TPS) 1-19

20 Worldwide Medium and High Energy Synchrotron Light Facilities Year Location Facility Energy Emittance Long Straight Commissioned C [m] Cells Status [GeV] [nm-rad] [m* section] 1993 Taiwan, Hsinchu TLS (18) 120 6m*6 6 TBA In operation 1992 France, Grenoble ESRF (3.8) m*32 32 DBA In operation 1995 USA, Chicago APS (3.0) m*40 40 DBA In operation 1997 Japan, Himeji SPring m*44+30m*4 48 DBA In operation 1993 Italy, Trieste ELETTRA m*12 12 DBA In operation 1995 Korea, Pohang PLS m*12 12 TBA In operation 2001 Switzerland, Villigen SLS (4.1) m*3+7m*3+4m*6 12 TBA In operation 2003 Canada, Saskatoon CLS 2.9 (18.1) m*12 12 DBA In commissioning 2004 USA, Stanford SPEAR (12) 234 3m*12+4.5m*4+7.5m*2 18 DBA In operation 2005 France, Orsay SOLEIL 2.75 (3.7) m*4+7m*12+3.6m*8 16 DBA under construction 2006 UK, Oxfordshire DIAMOND (2.7) m*6+8.34m*18 24 DBA under construction 2006 Armenia, Yerevan CANDLE 3.0 (8.4) m*16 16 DBA under construction 2007 Australia, Melbourne ASP (6.9) m*14 14 DBA under construction 2008 Jordan, Allan SESAME 2.5 (26) 129 5m*4+3.5m*8 +1.9m*4 12 DBA under construction 2008 China, Shanghai SSRF (3.0) m*4+6.7m*16 20 DBA under construction 2009 Spain, Barcelona CELLS 3.0 (3.6) 266 8m*4+4m*12 16 DBA under construction ( ) : Distributed Dispersion DBA : Double-Bend Achromat TBA : Triple-Bend Achromat 1-20

21 Advanced Medium Energy Synchrotron Light Facilities SLS (2.4 GeV), Switzerland CLS (2.9 GeV), Canada ASP (3 GeV), Australia SOLEIL (2.75 GeV), France DIAMOND (3 GeV), UK SSRF (3.5 GeV), China 1-21

22 NSRRC Site TPS 1-22

23 Taiwan Photon Source 1-23

24 Taiwan Photon Source 1-24

25 Basic Parameters of TPS Electron Energy Current SR Circumference BR Circumference Lattice Straight-section Bending-section Emittance Coupling RF Frequency RF Max. Voltage RF Max. Power Site Building 3 ~ 3.3 GeV 400 ma at 3 GeV or 300 ma at 3.3 GeV (Top-up injection) m (h = 864 = , dia.= m) m (h = 832 = , dia.= m) 24-cell DBA m x 6 ( v = 12.7 µm, h = µm) 7 m x 18 ( v = 4.5 µm, h = µm) 12 < 2 nm-rad at 3 GeV (Distributed dispersion) 1 % 500 MHz 6.4 MV (4 SRF cavities) 720 kw (4 SRF cavities) NSRRC in Hsinchu Science Park, Taiwan 223 m OD (700 m circumference) 139 m ID (437 m circumference) 1-25

26 Worldwide Medium and High Energy Synchrotron Light Facilities Year Location Facility Energy Emittance C [m] Long Straight Cells Status Commissioned [GeV] [nm-rad] [m* section] 1993 Taiwan, Hsinchu TLS (18) 120 6m*6 6 TBA In operation 1992 France, Grenoble ESRF (3.8) m*32 32 DBA In operation 1995 USA, Chicago APS (3.0) m*40 40 DBA In operation 1997 Japan, Himeji SPring m*44+30m*4 48 DBA In operation 1993 Italy, Trieste ELETTRA m*12 12 DBA In operation 1995 Korea, Pohang PLS m*12 12 TBA In operation 2001 Switzerland, Villigen SLS (4.1) m*3+7m*3+4m*6 12 TBA In operation 2003 Canada, Saskatoon CLS 2.9 (18.1) m*12 12 DBA In commissioning 2004 USA, Stanford SPEAR (12) 234 3m*12+4.5m*4+7.5m*2 18 DBA In operation 2005 France, Orsay SOLEIL 2.75 (3.7) m*4+7m*12+3.6m*8 16 DBA under construction 2006 UK, Oxfordshire DIAMOND (2.7) m*6+8.34m*18 24 DBA under construction 2006 Armenia, Yerevan CANDLE 3.0 (8.4) m*16 16 DBA under construction 2007 Australia, Melbourne ASP (6.9) m*14 14 DBA under construction 2008 Jordan, Allan SESAME 2.5 (26) 129 5m*4+3.5m*8 +1.9m*4 12 DBA under construction 2008 China, Shanghai SSRF (3.0) m*4+6.7m*16 20 DBA under construction 2009 Spain, Barcelona CELLS 3.0 (3.6) 266 8m*4+4m*12 16 DBA under construction Taiwan, Hsinchu TPS (1.7) m*6+7m*18 24 DBA Under planning ( ) : Distributed Dispersion DBA : Double-Bend Achromat TBA : Triple-Bend Achromat 1-26

27 Comparison of Insertion Device Photon Brilliance among TLS, SLS, Diamond, SPring-8, and TPS Brilliance (Phot/s/0.1%bw/mm 2 /mr 2 ) TPS_U100 TLS_U90 TPS_IVXU28 TPS_EPU46 TLS_EPU56 SLS_UE56 3 GeV, 400 ma 1.5 GeV, 400 ma Diamond_U33 TLS_SW60 TPS_SU15 TPS_SW60 SP8_IVXU Photon Energy (ev) 1-27

28 Prospects To become one of the world's brightest synchrotron x-ray sources To develop cutting-edge experimental facility and new areas of scientific research To help high-tech industry conduct product R&D and process optimization To attract more international scientists to perform experiments or build dedicated beamlines at NSRRC To recruit worldwide outstanding scientists to establish longterm leading-edge research in Taiwan To attract young generation to advanced scientific research and plant the seeds for great future scientific discoveries 1-28

National Synchrotron Radiation Research Center 9 7 5 6 2 3 4 1 TPS 8 10 Facilities 1 Main Gate 2 Administration Building 3 Research Building 4 Instrumentation Building 5 Booster

29 National Synchrotron Radiation Research Center TPS 8 10 Facilities 1 Main Gate 2 Administration Building 3 Research Building 4 Instrumentation Building 5 Booster Building 6 Storage Ring Building 7 Utility Building 8 Guest House Taiwan Photon Source Neighboring Institutes 9 Nat l Center for High Performance Computing 10 Nat l Chiao Tung University 1-29

30 One of the Brightest Synchrotron X-ray X Sources in the World 1-30

Accelerator Design and Construction Progress of TPS Project

Accelerator Design and Construction Progress of TPS Project Taiwan Light Source (TLS), a 120-m storage ring originally designed for 1.3 GeV, was commissioned and opened to users in 1993. The energy of