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MO4C1 |
Ultra-bright Coherent Undulator Radiation Driven by Dielectric Laser Accelerator |
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- Y.-C. Huang
NTHU, Hsinchu, Taiwan
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Funding: National Science and Technology Council under Contract MOST 111-2221-E-007-001
A dielectric laser accelerator, operating at optical frequencies and GHz pulse rate, is expected to produce attosecond electron bunches with a moderate beam current at high energy. For relativistic electrons, the attosecond bunch has a spatial length of a few nanometers, which is well suited for generating high-brightness superradiance in the VUV, EUV, and X-ray spectra. Our study shows that the brilliance of coherent undulator radiation driven by a short-bunch beam with 1~10 fC bunch charge from a dielectric laser accelerator is comparable to or higher than that of a synchrotron in the 0.1~3 keV photon energy range, even though the beam power of the dielectric laser accelerator is about a million times lower than that of a synchrotron. When the brilliance under comparison is normalized to the electron beam power, the proposed coherent undulator radiation source becomes the brightest source on earth across the whole VUV, EUV, and soft x-ray spectrum.
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Slides MO4C1 [3.054 MB]
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| MO4C2 |
Development of a Compact Light Source using a Two-beam-acceleration Technique |
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- P. Piot, E.A. Frame, X. Lu
Northern Illinois University, DeKalb, Illinois, USA
- G. Chen, C.-J. Jing, X. Lu, J.G. Power
ANL, Lemont, Illinois, USA
- C.-J. Jing, S.V. Kuzikov
Euclid Beamlabs, Bolingbrook, USA
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Funding: This work is supported by the U.S. DOE, under award No. DE-AC02-06CH11357 with ANL. This work is partially supported by Laboratory Directed Research and Development (LDRD) funding at ANL.
The recent demonstration of sub-GV/m accelerating fields at X-band frequencies* offers an alternative pathway to designing a compact light source. The high fields were enabled by powering the accelerating structures using short (<10 ns) X-band RF pulses produced via a two-beam-accelerator (TBA) scheme. In this contribution, we present a conceptual design to scale the concept to a ~0.5 GeV accelerator. We present the optimization of the photoinjector and preliminary beam-dynamics modeling of the accelerator. Finally, we will discuss ongoing and planned experiments toward developing an integrated proof-of-principle experiment at Argonne National Laboratory combining the 0.5 GeV linac with a free-electron laser.
* W.H. Tan, et al. DOI: 10.1103/PhysRevAccelBeams.25.083402 (2022).
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Slides MO4C2 [2.690 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-FLS2023-MO4C2
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| About • |
Received ※ 31 August 2023 — Revised ※ 31 August 2023 — Accepted ※ 01 September 2023 — Issued ※ 02 December 2023 |
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MO4C3 |
Generation of GeV Photon Energy at European X-Ray Free Electron Laser |
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- I. Drebot
INFN-Milano, Milano, Italy
- N.S. Mirian
DESY, Hamburg, Germany
- F. Zimmermann
CERN, Meyrin, Switzerland
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Intense high-energy photon beams (>1 GeV) with multiple outstanding characteristics, such as energy tunability, good directivity, quasi-monochromaticity, etc., offer numerous novel applications in nuclear physics, high-energy physics, and non-destructive material analysis. Potential applications of the high photon energy include protein crystallography, along with searches for Dark Photons and Axion-like Particles. European X-ray free electron laser based on superconductor linear accelerator is able to generate short high current electron bunches at megahertz intra-train repetition rate in the range of 17.5 GeV energy. We employ its capabilities and show the potential of this facility in the generation of GeV photon energy. We employ laser Compton scattering at the spreader of the south branch FEL line and simulate the generation of GeV photon energy
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Slides MO4C3 [5.299 MB]
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