1. STATUS REPORT OF THE SPARC HIGH POWER RF SYSTEM Nov. 16, 2005 R
STATUS REPORT OF THE SPARC HIGH POWER RF SYSTEM Nov. 16, R. BONI, on behalf of the SPARC team
SPARC review – nov. 16, 2005

2. Rectangular Waveguides & Accessories
KLYSTRONS
RF STATIONS
PULSED MODULATORS
Rectangular Waveguides & Accessories
Waveguide Variable Attenuators
WAVEGUIDE SYSTEM
Waveguide Phase-Shifters
Energy Compressor (SLED)
ACCELERATING STRUCTURES
SPARC review – nov. 16, 2005

3. SPARC RF LAYOUT
SPARC review – nov. 16, 2005

4. KLYSTRONS Comments: ● the klystrons have been reconditioned after long
inactivity.
● X-rays shielding has been
improved.
SPARC review – nov. 16, 2005

5. MODULATORS SUCCESSFULLY POWER TESTED on REAL LOAD
SPARC review – nov. 16, 2005

6. TEST PARAMETERS VAT = 310 kV IK = 320 A V p.p.s. = 8 I
Oct. 19, 2005
μperv = (I/V3/2) ~ 1.85
VAT = 310 kV
IK = 320 A
p.p.s. = 8 V I

7. WAVEGUIDE SYSTEM 90 % OF GUIDES AND OTHER RF DEVICES INSTALLED
SPARC review – nov. 16, 2005

8. ACCELERATING SECTIONS
Low Power & Vacuum tests have been carried out
in the Mitsubishi factory (July, 2005)
Σθi2 < 0.8 deg
Σθi < ± 0.2 deg
MEASUREMENT OF THE
PHASE ADVANCE PER CELL
Σθi2 < 1.6 deg
Σθi < ± 0.13 deg
Σθi < ± 2 deg
Σθi2 < 3 deg
@ 45°C
SPARC review – nov. 16, 2005

9. MHI Technical documentation
STRAIGHTNESS
DISTORSION
He leak
test
SPARC review – nov. 16, 2005

10. PROTECTIVE BAG BAKE-OUT and VACUUM TEST ACC. SECTIONS
He LEAK TEST
July 2005
BAKE-OUT and
VACUUM TEST
July 2005
ACC. SECTIONS
in the SPARC HALL
PROTECTIVE BAG
SPARC review – nov. 16, 2005

11. Power test of the kly-1 line
DUMMY LOAD
SPARC review – nov. 16, 2005

12. DUMMY
LOAD
20 dB ATTENUATOR
SPARC review – nov. 16, 2005

13. JUST WAITING FOR THE PERMISSION OF THE
CONCLUSIONS
RF POWER SYSTEM FULLY DELIVERED AND MOSTLY ASSEMBLED
READY TO POWER TEST THE WAVEGUIDE LINE N.1:
Waveguide is in VACUUM
Circulator is FILLED with pressurized SF6
Modulator is TESTED
Electronics & Remote Controls are READY
RF Cables are CALIBRATED
JUST WAITING FOR THE PERMISSION OF THE
ENVIRONMENT PROTECTION NATIONAL AGENCY
(A.N.P.A.)
SPARC review – nov. 16, 2005