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TUP017 | Design of the Tail Clipper Collimator for CTF3 | collimation, quadrupole, shielding, radiation | 425 |
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The CERN CLIC test facility (CTF3) aims at assessing the feasibility of the future multi-TeV Compact Linear Collider (CLIC). The CTF3 Tail Clipper Collimator (TCC) will serve to adjust the bunch train length of the beam extracted from the combiner ring, in combination with a fast kicker magnet. In addition, the TCC will operate, when required, as an internal beam dump. The challenge of the TCC design is to meet the requirements of both collimator and dump operational modes for a low energy e- beam (100-300 MeV) of 35 A peak intensity. The TCC collimator will be installed at the end of 2008 in the TL2 transfer line of CTF3. This paper describes the final design of the TCC and the main issues related to its integration in the line. |
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TUP026 | Exploring Benefits of Using RF Deflection for Short X-Ray Pulse Generation for an Energy-Recovery Linac Upgrade to the Advanced Photon Source | undulator, cavity, emittance, radiation | 447 |
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Funding: Work supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. *A. Zholents, et al., Nucl. Instr. and Meth. A 425 (1999) 385. |
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TUP065 | Demonstration of Multi-Pulse X-ray Generation via Laser-Compton Scattering Using Pulsed-Laser Super-Cavity | laser, cavity, electron, linac | 545 |
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Funding: Work supported by a Grant-In-Aid for Creative Scientific Research of JSPS (KAKENHI 17GS0210) and a Grant-In-Aid for JSPS Fellows (19-5789) |
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TUP076 | Design of a Beam Halo Monitor with a High Dynamic Range | laser, radiation, storage-ring, controls | 570 |
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A thorough understanding of halo formation and its possible control is highly desirable for essentially all particle accelerators. Limiting the number of particles in the halo region of a beam would allow for minimizing beam losses and maximizing beam transmission, i.e. the experimental output. Measurements based on either optical transition radiation (OTR) or synchrotron radiation (SR) provide an interesting opportunity for high dynamic range measurements of the transverse beam profile, since the signal is linear with the beam charge over a wide range and is routinely used in many diagnostic applications. In this contribution, first results on beam halo measurements obtained from a flexible core masking technique and an innovative CID camera system are summarized. |
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TUP101 | Photocathode R&D Program at LBNL | electron, emittance, gun, cathode | 642 |
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Funding: US Deparment of Energy |
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FR103 | Operation of FLASH as an FEL User Facility | FEL, electron, radiation, gun | 1100 |
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FLASH, the FEL user facility at DESY, is operated with an electron beam energy up to 1 GeV corresponding to a photon wavelength down to 6.5 nm. The full year 2008 is dedicated to beam operation: about half of the time is scheduled for FEL users, and the rest for accelerator and FEL physics studies. Operational experience gathered at FLASH is very important not only for further improvements of the FLASH facility itself, but also for the European XFEL and for the ILC R&D effort. This talk reports our experience operating FLASH as a user facility. Failure statistics are included as well. |
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