NAPAC2016 - Table of Session: TUB4 (Oral Presentations (MC2))

Paper	Title	Page
TUB4IO01	Status of the Los Alamos Multi-Probe Facility for Matter-Radiation Interactions in Extremes	464
	J.L. Erickson, R.W. Garnett LANL, Los Alamos, New Mexico, USA
	The Matter-Radiation Interactions in Extremes (MaRIE) project will provide capability that will address the control of performance and production of materials at the mesoscale. MaRIE will characterize the behavior of interfaces, defects, and microstructure between the spatial scales of atomic structures and those of the engineering continuum where there is a current capability gap. The mission need is well-met with an x-ray source, coherent to optimize disordered imaging capability, brilliant and high-rep-rate to provide time-dependent information, and high enough energy to see into and through the mesoscale of materials of interest. It will be designed for time-dependence from electronic motion (picosecond) through sound waves (nanosecond) through thermal diffusion (millisecond) to manufacturing (seconds and above). The mission need, the requirements, a plausible alternative reference design of a 12-GeV linac-based 42-keV x-ray free-electron laser, and the status of the project will be described.
	Slides TUB4IO01 [16.013 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4IO01
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TUB4IO02	Accelerator Technical Progress and First Commissioning Results from the European XFEL	469
	R. Wichmann DESY, Hamburg, Germany
	The construction of the European XFEL is coming to an end. The linac tunnel will be closed and commissioning of the main linac will start. The status of the construction project is reviewed. Commissioning of the injector of the European XFEL was already performed in 2016 while construction of the main linac was continuing. The commissioning goals and achievements for the XFEL injector will be reviewed. Proposed Speaker: W. Decking, DESY
	Slides TUB4IO02 [13.428 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4IO02
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TUB4CO03	Optimization of Compton Source Performance Through Electron Beam Shaping	474
SUPO60	use link to see paper's listing under its alternate paper code
	A. Malyzhenkov, N.A. Yampolsky LANL, Los Alamos, New Mexico, USA
	We investigate a novel scheme for significantly increasing the brightness of x-ray light sources based on inverse Compton scattering (ICS) - scattering laser pulses off relativistic electron beams. The brightness of these sources is limited by the electron beam quality since electrons traveling at different angles, and/or having different energies, produce photons with different energies. Therefore, the spectral brightness of the source is defined by the 6d electron phase space shape and size, as well as laser beam parameters. The peak brightness of the ICS source can be maximized then if the electron phase space is transformed in a way so that all electrons scatter off the x-ray photons of same frequency in the same direction. We describe the x-ray photon beam quality through the Wigner function (6d photon phase space distribution) and derive it for the ICS source when the electron and laser rms matrices are arbitrary. We find the optimal uncorrelated electron beam phase space distribution resulting in the highest brightness of the ICS source for the simple on axis case as an example.
	Slides TUB4CO03 [1.673 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4CO03
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TUB4CO04	Progress on the Magnetic Performance of Planar Superconducting Undulators	477
	M. Kasa, C.L. Doose, J.D. Fuerst, E. Gluskin, Y. Ivanyushenkov ANL, Argonne, Illinois, USA
	Funding: Work supported by the U.S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357. One of the primary goals of the superconducting undulator (SCU) program at the Advanced Photon Source (APS) is to achieve a high quality undulator magnetic field without the need for magnetic shimming to tune the device. Over the course of two years, two SCUs were designed, manufactured, assembled, and tested at the APS. Both SCUs were one meter in length with a period of 1.8 cm. After magnetic measurements of the first undulator were completed, several design changes were made in order to improve the quality of the undulator magnetic field. The design modifications were implemented during construction and assembly of the second SCU. The details of the design modifications along with a comparison of the magnetic measurement results will be described.
	Slides TUB4CO04 [6.426 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4CO04
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Status of the Los Alamos Multi-Probe Facility for Matter-Radiation Interactions in Extremes

464

J.L. Erickson, R.W. Garnett
LANL, Los Alamos, New Mexico, USA

The Matter-Radiation Interactions in Extremes (MaRIE) project will provide capability that will address the control of performance and production of materials at the mesoscale. MaRIE will characterize the behavior of interfaces, defects, and microstructure between the spatial scales of atomic structures and those of the engineering continuum where there is a current capability gap. The mission need is well-met with an x-ray source, coherent to optimize disordered imaging capability, brilliant and high-rep-rate to provide time-dependent information, and high enough energy to see into and through the mesoscale of materials of interest. It will be designed for time-dependence from electronic motion (picosecond) through sound waves (nanosecond) through thermal diffusion (millisecond) to manufacturing (seconds and above). The mission need, the requirements, a plausible alternative reference design of a 12-GeV linac-based 42-keV x-ray free-electron laser, and the status of the project will be described.

Slides TUB4IO01 [16.013 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4IO01

Export •

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

TUB4IO02

Accelerator Technical Progress and First Commissioning Results from the European XFEL

469

R. Wichmann
DESY, Hamburg, Germany

The construction of the European XFEL is coming to an end. The linac tunnel will be closed and commissioning of the main linac will start. The status of the construction project is reviewed. Commissioning of the injector of the European XFEL was already performed in 2016 while construction of the main linac was continuing. The commissioning goals and achievements for the XFEL injector will be reviewed.
Proposed Speaker: W. Decking, DESY

Slides TUB4IO02 [13.428 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4IO02

Export •

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

TUB4CO03

Optimization of Compton Source Performance Through Electron Beam Shaping

474

SUPO60

use link to see paper's listing under its alternate paper code

A. Malyzhenkov, N.A. Yampolsky
LANL, Los Alamos, New Mexico, USA

We investigate a novel scheme for significantly increasing the brightness of x-ray light sources based on inverse Compton scattering (ICS) - scattering laser pulses off relativistic electron beams. The brightness of these sources is limited by the electron beam quality since electrons traveling at different angles, and/or having different energies, produce photons with different energies. Therefore, the spectral brightness of the source is defined by the 6d electron phase space shape and size, as well as laser beam parameters. The peak brightness of the ICS source can be maximized then if the electron phase space is transformed in a way so that all electrons scatter off the x-ray photons of same frequency in the same direction. We describe the x-ray photon beam quality through the Wigner function (6d photon phase space distribution) and derive it for the ICS source when the electron and laser rms matrices are arbitrary. We find the optimal uncorrelated electron beam phase space distribution resulting in the highest brightness of the ICS source for the simple on axis case as an example.

Slides TUB4CO03 [1.673 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4CO03

Export •

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

TUB4CO04

Progress on the Magnetic Performance of Planar Superconducting Undulators

477

M. Kasa, C.L. Doose, J.D. Fuerst, E. Gluskin, Y. Ivanyushenkov
ANL, Argonne, Illinois, USA

Funding: Work supported by the U.S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357.
One of the primary goals of the superconducting undulator (SCU) program at the Advanced Photon Source (APS) is to achieve a high quality undulator magnetic field without the need for magnetic shimming to tune the device. Over the course of two years, two SCUs were designed, manufactured, assembled, and tested at the APS. Both SCUs were one meter in length with a period of 1.8 cm. After magnetic measurements of the first undulator were completed, several design changes were made in order to improve the quality of the undulator magnetic field. The design modifications were implemented during construction and assembly of the second SCU. The details of the design modifications along with a comparison of the magnetic measurement results will be described.

Slides TUB4CO04 [6.426 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUB4CO04

Export •

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