TUPM021

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URL	https://doi.org/10.18429/JACoW-IPAC2025-TUPM021
Title	An update of progress on the design of the diffraction line for the relativistic ultrafast electron diffraction and imaging facility at Daresbury Laboratory
Authors	T. Noakes, A. Farricker, A. Bainbridge, A. Vick, B. Hounsell, B. Militsyn, C. Tollervey, C. Hill, E. Snedden, F. Yaman, G. Marshall, J. Ouyang, J. Crone, J. McKenzie, L. Cowie, M. Roper, M. Ellis, N. Joshi, S. Percival, T. Pacey, Y. Saveliev Science and Technology Facilities Council A. Gilfellon, L. Reid Cockcroft Institute Y. Murooka Osaka University, The University of Osaka
Abstract	The Relativistic Ultrafast Electron Diffraction and Imaging (RUEDI) facility is an approved project to provide ultrafast capability to UK researchers. The current design involves two separate beamlines for diffraction and imaging but with shared infrastructure including laser pump sources. This presentation describes recent progress in the design of the diffraction line. The diffraction line has a 2.4 cell S-band RF gun to produce 4 MeV electron bunches. Bunch compression to the sub-10 fs range is carried out with a triple bend achromat design that also suppresses arrival time jitter*. Interchangeable sample chambers are planned to allow wide ranging experiments from both solid samples at room and cryogenic temperatures and liquid and gas targets. Post sample optics are provided to image the diffraction pattern on to a high-resolution single electron sensitive detector. Temporal diagnostics including an RF TDC and THz deflector are included along with a spectrometer at the end of this line to measure beam energy.
Paper	download: TUPM021.pdf
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Conference	16th International Particle Accelerator Conference
Series
Location	Taipei, Taiwan
Date	01-06 Jun 2025
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	* Ming-Chyuan Lin - National Synchrotron Radiation Research Center * Yoichi Sato - KEK * Jui-Che Huang - National Synchrotron Radiation Research Center * David Button - Australian Nuclear Science and Technology Organisation * Ping-Shun Chuang - National Synchrotron Radiation Research Center
Online ISBN	978-3-95450-248-6
Online ISSN	2673-5490
Received	23 May 2025
Revised	05 June 2025
Accepted	05 June 2025
Issued	05 November 2025
DOI	10.18429/JACoW-IPAC2025-TUPM021
Pages	1208-1211
Copyright	Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.