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E. Moog

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2 papers

title: Investigations of electron-beam microbunching and beam coalignment using CTR in a high-gain SASE FEL

format: conference procceeding

conference: 2001 Particle Accelerator Conference

year: 2001

11 authors: A. Lumpkin | W. Berg | S. Biedron | M. Borland | Y. C. Chae | R. Dejus | J. Lewellen | S. Milton | E. Moog | G. Travish | B. Yang

abstract: We recently extended our experiments on z-dependent electron-beam microbunching using coherent transition radiation (CTR) into the high-gain, self-amplified spontaneous emission free-electron laser (FEL) regime. The UV-visible FEL at the Advanced Photon Source was operated at 530 nm and 385 nm using the bunch-compressed photocathode gun electron beam, linac, and 21.6 m of undulator length. The longitudinal microbunching of the electron beam was tracked by inserting a metal foil and a mirror after each of the nine 2.4-m-long undulators. The visible CTR generated by the electron-beam interaction was imaged and analyzed for z-dependent intensity, angular distribution, and spot size. Additionally, the image centroids and structures were used in evaluating the critical electron beam/photon beam overlap issue as a complement to the trajectory data from the beam position monitors. (9 References).

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title: The APS SASE FEL: status and commissioning results

format: conference procceeding

conference: 1999 Particle Accelerator Conference

year: 1999

7 authors: S. V. Milton | S. G. Biedron | P. Den Hartog | J. W. Lewellen | E. Moog | A. Nassiri | G. Travish

abstract: A self-amplified spontaneous emission (SASE) free-electron laser (FEL) is under construction at the Advanced Photon Source (APS). Three gun systems, an rf-test area, laser room, numerous diagnostics, a transfer line at the end of the linac and a new building, which will serve as the experimental hall, have been added. The only remaining items to be installed are the undulators into the beamline. Here, the additions to the APS in support of this project as well as commissioning results and future plans will be discussed. (9 References).

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title:	Investigations of electron-beam microbunching and beam coalignment using CTR in a high-gain SASE FEL
format:	conference procceeding
conference:	2001 Particle Accelerator Conference
year:	2001
11 authors:	A. Lumpkin \| W. Berg \| S. Biedron \| M. Borland \| Y. C. Chae \| R. Dejus \| J. Lewellen \| S. Milton \| E. Moog \| G. Travish \| B. Yang
abstract:	We recently extended our experiments on z-dependent electron-beam microbunching using coherent transition radiation (CTR) into the high-gain, self-amplified spontaneous emission free-electron laser (FEL) regime. The UV-visible FEL at the Advanced Photon Source was operated at 530 nm and 385 nm using the bunch-compressed photocathode gun electron beam, linac, and 21.6 m of undulator length. The longitudinal microbunching of the electron beam was tracked by inserting a metal foil and a mirror after each of the nine 2.4-m-long undulators. The visible CTR generated by the electron-beam interaction was imaged and analyzed for z-dependent intensity, angular distribution, and spot size. Additionally, the image centroids and structures were used in evaluating the critical electron beam/photon beam overlap issue as a complement to the trajectory data from the beam position monitors. (9 References).
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title:	The APS SASE FEL: status and commissioning results
format:	conference procceeding
conference:	1999 Particle Accelerator Conference
year:	1999
7 authors:	S. V. Milton \| S. G. Biedron \| P. Den Hartog \| J. W. Lewellen \| E. Moog \| A. Nassiri \| G. Travish
abstract:	A self-amplified spontaneous emission (SASE) free-electron laser (FEL) is under construction at the Advanced Photon Source (APS). Three gun systems, an rf-test area, laser room, numerous diagnostics, a transfer line at the end of the linac and a new building, which will serve as the experimental hall, have been added. The only remaining items to be installed are the undulators into the beamline. Here, the additions to the APS in support of this project as well as commissioning results and future plans will be discussed. (9 References).
keywords:
Download \| View \| Details \| edit \| delete

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