MPY

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2017-08-16
09:32
[PUBDB-2017-09338] Contribution to a conference proceedings
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The Dedicated Accelerator R&D Facility Sinbad at DESY
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
Geneva, Switzerland : JACoW , 870 -0872 (2017) [10.18429/JACoW-IPAC2017-MOPVA012]  GO
We present an overview of the dedicated R\&D facility SINBAD which is currently under construction at DESY. The facility will host multiple independent experiments on the acceleration of ultra-short electron bunches and advanced acceleration schemes. [...]
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2017-08-15
15:11
[PUBDB-2017-09305] Contribution to a conference proceedings
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Electron Acceleration With a Ultrafast Gun Driven by Single-Cycle Terahertz Pulses
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
JACoW, Geneva, Switzerland, 1406 - 1408 (2017) [10.18429/JACoW-IPAC2017-TUPAB038]  GO
We present results on an improved THz-driven electron gun using transversely-incident single-cycle THz pulses using a horn-coupler. Intrinsic synchronization between the electrons and the driving field was achieved by using a single laser system to create electrons by UV photoemission and to create THz radiation by difference frequency generation in a tilted-pulse front geometry. [...]
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2017-08-15
14:58
[PUBDB-2017-09303] Contribution to a conference proceedings
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Characterization of the Electron Beam from the Thz Driven Gun for AXSIS
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
Geneva, Switzerland : JACoW, 509 - 511 (2017) [10.18429/JACoW-IPAC2017-MOPIK006]  GO
The AXSIS (Attosecond X-ray Science: Imaging and Spectroscopy) project aims for development of a compact, fully coherent, THz-driven, attosecond X-ray source. A compact THz driven gun was developed, produced and tested as a source of the ultra-short electron bunches required for the project. [...]
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2017-08-15
14:52
[PUBDB-2017-09300] Contribution to a conference proceedings
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Compact Electron Injectors Using Laser Driven THz Cavities
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
Geneva, Switzerland : JACoW, 506 - 508 (2017) [10.18429/JACoW-IPAC2017-MOPIK005]  GO
We present ultra-small electron injectors based on cascaded cavities excited by short multi-cycle THz signals. The designed structure is a 3.5 cell normal conducting cavity operating at 300 GHz. [...]
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2017-08-15
14:40
[PUBDB-2017-09297] Contribution to a conference proceedings/Contribution to a book
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Beam Dynamics in THz Dielectric Loaded Waveguides for the AXSIS Project
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
Geneva, Switzerland : JACoW, 3268 - 3271 (2017) [10.18429/JACoW-IPAC2017-WEPVA008]  GO
In this paper, we investigate with ASTRA simulations the beam dynamics in dielectric-loaded waveguides driven by THz pulses, used as linac structure for the AXSIS project. We show that the bunch properties at the linac exit are very sensitive to the phase velocity of the THz pulse and are limited by the strong phase slippage of the bunch respective to it. [...]
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2017-08-14
15:23
[PUBDB-2017-09232] Contribution to a conference proceedings/Contribution to a book
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A Phase Matching Adiabatic Accelerator
8th International Particle Accelerator Conference, IPAC 2017, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
Geneva, Switzerland : JACoW, 2861 - 2864 (2017) [10.18429/JACoW-IPAC2017-WEPAB123]  GO
Tabletop accelerators are highly sought after. One way of reducing accelerator footprints is to down-scale electromagnetic wavelengths; however, without correspondingly highfield gradients, particles will be more susceptible to phaseslippage – especially at low energy. [...]
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2017-07-25
10:57
DBCoverage [PUBDB-2017-08413] Journal Article
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Single-shot determination of focused FEL wave fields using iterative phase retrieval
Optics express 25(15), 17892 - 17903 (2017) [10.1364/OE.25.017892]  GO
ddc:530
Determining fluctuations in focus properties is essential for many experiments at Self-Amplified-Spontaneous-Emission (SASE) based Free-Electron-Lasers (FELs), in particular for imaging single non-crystalline biological particles. We report on a diffractive imaging technique to fully characterize highly focused, single-shot pulses using an iterative phase retrieval algorithm, and benchmark it against an existing Hartmann wavefront sensor. [...]
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2017-07-06
10:40
[PUBDB-2017-06976] Poster
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Beam Loss Simulations for the Implementation of the Hard X-ray Self-Seeding System at European XFEL
8th International Particle Accelerator Conference, IPAC´17, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19

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2017-07-04
15:31
OpenAccess [PUBDB-2017-06867] Contribution to a conference proceedings
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Experience with Single Cavity and Piezo Controls for Short, Long Pulse and CW Operation
8th International Particle Accelerator Conference, IPAC`17, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
3966-3968 (2017) [10.3204/PUBDB-2017-06867]  GO
We present a compact RF control system for superconducting radio frequency (SCRF) single cavities based on MicroTCA.4 equipped with specialized advanced mezzanine cards (AMCs) and rear transition modules (RTMs). To sense the RF signals from the cavity and to drive the high power source, a DRTM-DWC8VM1 module is used equipped with 8 analog field detectors and one RF vector modulator. [...]
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2017-07-04
15:20
OpenAccess [PUBDB-2017-06865] Poster
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Experience with Single Cavity and Piezo Controls for Short, Long Pulse and CW Operation
8th International Particle Accelerator Conference, IPAC`17, Meeting locationCopenhagen, Denmark, 14 May 2017 - 19 May 20172017-05-142017-05-19
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