LINAC2016 - List of Keywords (undulator)

Paper	Title	Other Keywords	Page
MO1A02	Status of the European XFEL	linac, electron, klystron, operation	7
	H. Weise DESY, Hamburg, Germany
	Funding: Work supported by the respective funding agencies of the contributing institutes; for details please see http:www.xfel.eu The European XFEL under construction in Hamburg, Northern Germany, aims at producing X-rays in the range from 260 eV up to 24 keV out of three undulators that can be operated simultaneously with up to 27,000 pulses per second. The FEL is driven by a 17.5 GeV superconducting linac. Installation of this linac is now finished and commissioning is next. First lasing is expected for spring 2017. The paper summarizes the status of the project. First results of the injector commissioning are given.
	Slides MO1A02 [28.909 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MO1A02
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MO3A01	Status of SwissFEL	linac, electron, gun, laser	22
	F. Löhl PSI, Villigen PSI, Switzerland
	SwissFEL is a hard x-ray free-electron laser facility that is currently constructed at PSI. This paper gives an overview of the facility, describes the main sub-systems of the accelerator, and summarizes the installation and commissioning status.
	Slides MO3A01 [315.102 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MO3A01
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MOP106022	Generation of Coherent Undulator Radiation at ELPH, Tohoku University	radiation, electron, ion, focusing	330
	S. Kashiwagi, T. Abe, H. Hama, F. Hinode, T. Muto, I. Nagasawa, K. Nanbu, H. Saito, Y. Saito, Y. Shibasaki, K. Takahashi Tohoku University, Research Center for Electron Photon Science, Sendai, Japan
	A test accelerator as a coherent terahertz source (t-ACTS) has been under development at Tohoku University, in which an intense coherent terahertz (THz) radiation generated by an extremely short electron bunch. Velocity bunching scheme in a traveling accelerating structure is employed to generate femtosecond electron bunches. Spatial and temporal coherent radiation in THz region can be produced by the electron bunches with small transverse emittance. A long-period undulator, which has 25 periods with a period length of 10 cm and a peak magnetic field of 0.41 T, has been also developed and installed to provide intense coherent THz undulator radiation. By optimizing the bunch length, we found that it is possible to generate a coherent undulator radiation that contain only the fundamental wave from numerical studies. We are planning an experiment with 30 MeV beam to generate a coherent undulator radiation of 2.5THz. In the conference, we will report the preliminary experimental results.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MOP106022
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THPLR019	A Laser Pulse Controller for the Injector Laser at FLASH and European XFEL	laser, operation, timing, hardware	882
	C. Grün, S. Schreiber, T. Schulz DESY, Hamburg, Germany
	FLASH is a multi-beamline free-electron laser user facility which provides femtosecond long high brilliant photon pulses in the extreme-UV and soft-X ray wavelength range. One pulsed superconducting linac accelerates electron bunches for two undulator beamlines, while a third beamline is under construction. Within each RF-pulse, trains of hundreds of electron bunches are produced in a photo-cathode RF gun, accelerated in the linac and distributed by fast kickers into the undulator beamlines. In order to fulfill the parameter ranges of the multiple user experiments each bunch train can be tuned individually in bunch number from 0 - 800, spacing from 1 μs - 25 μs and intensity from 0.1 nC - 1 nC. To make this possible, three injector laser systems are used and this allows FLASH to vary independently the laser settings for the designated undulator beamlines. A laser controller has been developed to make a multi-users operation mode possible. The controller uses a Field Programmable Gate Array (FPGA) to control the time structure of the laser pulses and it provides the interface for the timing and the machine protection system. The controller has been implemented using the MicroTCA.4 technology. The controller was ported to the injector laser system at the European XFEL facility and is in operation since end 2015.
	Poster THPLR019 [1.967 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPLR019
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FR2A01	Status of the PAL-XFEL	FEL, linac, cavity, gun	1042
	H.-S. Kang, D.E. Kim, K.W. Kim, I.S. Ko, T.-Y. Koo, H.-S. Lee, K.-H. Park PAL, Pohang, Kyungbuk, Republic of Korea
	The construction of the PAL-XFEL was completed at the end of 2015 and the FEL commissioning started from the beginning of 2016. The commissioning aims for the lasing of 0.5 nm FEL in the first campaign by July 2016, and for the lasing of 0.1 nm hard X-ray FEL in the second campaign by December 2016. The commissioning results of the 0.5 nm FEL lasing will be presented.
	Slides FR2A01 [92.474 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-FR2A01
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Other Keywords

Page

MO1A02

Status of the European XFEL

linac, electron, klystron, operation

7

H. Weise
DESY, Hamburg, Germany

Funding: Work supported by the respective funding agencies of the contributing institutes; for details please see http:www.xfel.eu
The European XFEL under construction in Hamburg, Northern Germany, aims at producing X-rays in the range from 260 eV up to 24 keV out of three undulators that can be operated simultaneously with up to 27,000 pulses per second. The FEL is driven by a 17.5 GeV superconducting linac. Installation of this linac is now finished and commissioning is next. First lasing is expected for spring 2017. The paper summarizes the status of the project. First results of the injector commissioning are given.

Slides MO1A02 [28.909 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MO1A02

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MO3A01

Status of SwissFEL

linac, electron, gun, laser

22

F. Löhl
PSI, Villigen PSI, Switzerland

SwissFEL is a hard x-ray free-electron laser facility that is currently constructed at PSI. This paper gives an overview of the facility, describes the main sub-systems of the accelerator, and summarizes the installation and commissioning status.

Slides MO3A01 [315.102 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MO3A01

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOP106022

Generation of Coherent Undulator Radiation at ELPH, Tohoku University

radiation, electron, ion, focusing

330

S. Kashiwagi, T. Abe, H. Hama, F. Hinode, T. Muto, I. Nagasawa, K. Nanbu, H. Saito, Y. Saito, Y. Shibasaki, K. Takahashi
Tohoku University, Research Center for Electron Photon Science, Sendai, Japan

A test accelerator as a coherent terahertz source (t-ACTS) has been under development at Tohoku University, in which an intense coherent terahertz (THz) radiation generated by an extremely short electron bunch. Velocity bunching scheme in a traveling accelerating structure is employed to generate femtosecond electron bunches. Spatial and temporal coherent radiation in THz region can be produced by the electron bunches with small transverse emittance. A long-period undulator, which has 25 periods with a period length of 10 cm and a peak magnetic field of 0.41 T, has been also developed and installed to provide intense coherent THz undulator radiation. By optimizing the bunch length, we found that it is possible to generate a coherent undulator radiation that contain only the fundamental wave from numerical studies. We are planning an experiment with 30 MeV beam to generate a coherent undulator radiation of 2.5THz. In the conference, we will report the preliminary experimental results.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MOP106022

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THPLR019

A Laser Pulse Controller for the Injector Laser at FLASH and European XFEL

laser, operation, timing, hardware

882

C. Grün, S. Schreiber, T. Schulz
DESY, Hamburg, Germany

FLASH is a multi-beamline free-electron laser user facility which provides femtosecond long high brilliant photon pulses in the extreme-UV and soft-X ray wavelength range. One pulsed superconducting linac accelerates electron bunches for two undulator beamlines, while a third beamline is under construction. Within each RF-pulse, trains of hundreds of electron bunches are produced in a photo-cathode RF gun, accelerated in the linac and distributed by fast kickers into the undulator beamlines. In order to fulfill the parameter ranges of the multiple user experiments each bunch train can be tuned individually in bunch number from 0 - 800, spacing from 1 μs - 25 μs and intensity from 0.1 nC - 1 nC. To make this possible, three injector laser systems are used and this allows FLASH to vary independently the laser settings for the designated undulator beamlines. A laser controller has been developed to make a multi-users operation mode possible. The controller uses a Field Programmable Gate Array (FPGA) to control the time structure of the laser pulses and it provides the interface for the timing and the machine protection system. The controller has been implemented using the MicroTCA.4 technology. The controller was ported to the injector laser system at the European XFEL facility and is in operation since end 2015.

Poster THPLR019 [1.967 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPLR019

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

FR2A01

Status of the PAL-XFEL

FEL, linac, cavity, gun

1042

H.-S. Kang, D.E. Kim, K.W. Kim, I.S. Ko, T.-Y. Koo, H.-S. Lee, K.-H. Park
PAL, Pohang, Kyungbuk, Republic of Korea

The construction of the PAL-XFEL was completed at the end of 2015 and the FEL commissioning started from the beginning of 2016. The commissioning aims for the lasing of 0.5 nm FEL in the first campaign by July 2016, and for the lasing of 0.1 nm hard X-ray FEL in the second campaign by December 2016. The commissioning results of the 0.5 nm FEL lasing will be presented.

Slides FR2A01 [92.474 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-FR2A01

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)