DIPAC2011 - List of Authors (Cheng, Y.-S.)

Paper	Title	Page
TUPD04	Diagnostics for the 150 MeV Linac and Test Transport Line of Taiwan Photon Source	308
	C.-Y. Liao, Y.-T. Chang, J. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, S.Y. Hsu, K.H. Hu, C.H. Kuo, D. Lee, K.-K. Lin, K.L. Tsai, C.Y. Wu NSRRC, Hsinchu, Taiwan
	The TPS 150 MeV linac is in installation and commissioning phase at the test site for acceptance test. The linac will move to the final installation site after the building complete which is expected in 2012. The linac and a short transport line for main parameters measurement equips with several types of diagnostic devices, which include screen monitors, fast current transformers, integrated current transformer, wall current monitors, beam position monitors and Faraday cups. These devices are arranged to measure the specification parameters such as charge in bunch train, pulse purity, energy, energy spread, and emittance. Implementation details and preliminary test results will be summarized in this report.

TUPD23	New Bunch-by-Bunch Feedback System for the TLS	353
	C.H. Kuo, Y.K. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, K.H. Hu NSRRC, Hsinchu, Taiwan
	FPGA based bunch-by-bunch feedback systems were deployed in 2005-2006 by using SPring-8 designed feedback processors for the Taiwan Light Source. To provide spare units and explore integrate with the control system in the EPICS toolkit environment, feedback processors from the Dimtel were setup. The new system can be swap with the existed system by simple cable re-connection and integrated with the EPICS system in seamless way. Rich functionality except the basic feedback function includes excitation of individual bunch or specifies bunches, averaged spectrum, tune measurement by the feedback dip in the averaged spectrum, fill pattern measurement, etc. are explorer. Current stage implementation and features of the system will summary in this report.

TUPD86	RF Reference Distribution and Timing System for the Taiwan Photon Source	506
	C.Y. Wu, Y.-T. Chang, J. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, K.H. Hu, C.H. Kuo, C.-Y. Liao NSRRC, Hsinchu, Taiwan
	Taiwan Photon Source (TPS) is a low-emittance 3-GeV synchrotron light source with circumference of 518.4 m (24 straight sections for installation of insertion devices), radio-frequency cavities and electron beam from the 150 MeV linac system which being in construction at National Synchrotron Radiation Research Center (NSRRC) campus. A high stability of the novel fiber based 500 MHz RF reference distribution is required and planned to use. Timing system for the TPS will be an event based system. It is based on 6U CompactPCI form factor from Micro-Research Finland Oy. Prototyping of the RF distribution and event system are on progress in this direction. The preliminary test results and implementation details will summary in this report.

Paper

Title

Page

Diagnostics for the 150 MeV Linac and Test Transport Line of Taiwan Photon Source

308

C.-Y. Liao, Y.-T. Chang, J. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, S.Y. Hsu, K.H. Hu, C.H. Kuo, D. Lee, K.-K. Lin, K.L. Tsai, C.Y. Wu
NSRRC, Hsinchu, Taiwan

The TPS 150 MeV linac is in installation and commissioning phase at the test site for acceptance test. The linac will move to the final installation site after the building complete which is expected in 2012. The linac and a short transport line for main parameters measurement equips with several types of diagnostic devices, which include screen monitors, fast current transformers, integrated current transformer, wall current monitors, beam position monitors and Faraday cups. These devices are arranged to measure the specification parameters such as charge in bunch train, pulse purity, energy, energy spread, and emittance. Implementation details and preliminary test results will be summarized in this report.

TUPD23

New Bunch-by-Bunch Feedback System for the TLS

353

C.H. Kuo, Y.K. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, K.H. Hu
NSRRC, Hsinchu, Taiwan

FPGA based bunch-by-bunch feedback systems were deployed in 2005-2006 by using SPring-8 designed feedback processors for the Taiwan Light Source. To provide spare units and explore integrate with the control system in the EPICS toolkit environment, feedback processors from the Dimtel were setup. The new system can be swap with the existed system by simple cable re-connection and integrated with the EPICS system in seamless way. Rich functionality except the basic feedback function includes excitation of individual bunch or specifies bunches, averaged spectrum, tune measurement by the feedback dip in the averaged spectrum, fill pattern measurement, etc. are explorer. Current stage implementation and features of the system will summary in this report.

TUPD86

RF Reference Distribution and Timing System for the Taiwan Photon Source

506

C.Y. Wu, Y.-T. Chang, J. Chen, Y.-S. Cheng, P.C. Chiu, K.T. Hsu, K.H. Hu, C.H. Kuo, C.-Y. Liao
NSRRC, Hsinchu, Taiwan

Taiwan Photon Source (TPS) is a low-emittance 3-GeV synchrotron light source with circumference of 518.4 m (24 straight sections for installation of insertion devices), radio-frequency cavities and electron beam from the 150 MeV linac system which being in construction at National Synchrotron Radiation Research Center (NSRRC) campus. A high stability of the novel fiber based 500 MHz RF reference distribution is required and planned to use. Timing system for the TPS will be an event based system. It is based on 6U CompactPCI form factor from Micro-Research Finland Oy. Prototyping of the RF distribution and event system are on progress in this direction. The preliminary test results and implementation details will summary in this report.