Linac Coherent Light Source (LCLS) Conceptual Design Report

Arthur, John M.; Graves, W.; Renner, Max; Rosenzweig, J.; Faigel, G.; Huang, Zhirong; Wulff, Michaël; Hajdu, János; Evans, I. N.; Kulander, K. C.; Ng, A.; Miao, John; Dowell, D.H.; Kirz, Janos; Sayre, D.; Ilinski, P.; Falcone, R. W.; Imre, D.; Young, L.M.; Emma, P.; Robinson, Carol V.; Zewail, A. H.; Bucksbaum, P. H.; Landen, O. L.; Toor, A.; Lee, R.W.; Mulhollan, G. A.; Vasserman, I.B.; Gauthier, J. C.; Moog, E. R.; Stupakov, G.; Schmerge, J. F.; Neutze, Richard; Schneider, Dieter K.; Dungan, D.; Limborg, C.; Fisher, Alan; Bolton, Paul R.; Yotam, R.; Klaisner, L.; Nuhn, H.‐D.; Rüland, R.; Freeman, R. R.; Gluskin, E.; Wang, X.J.; Lumpkin, Alex; Mochrie, S. G. J.; Anfinrud, Philip; Sette, F.; Jacobsen, Chris; Humphry, R H; Xie, Minghui; Woodley, M.; Nelson, Kyle A.; Bharadwaj, V.; Galayda, J.; Saenz, Daniel; Trakhtenberg, E.; Serafini, L.; Ruocco, G.; Milton, S.V.; Weckert, E.; Schroeder, Carl; Lindau, E.I.; Krejcik, P.; Bionta, R.; Sasaki, Shigemi; Tatchyn, R.; Nguyen, Dinh C.; Hastings, J. B.; Materlik, G.; Ben‐Zvi, I.; Sutton, M.; Lewis, Ciaran; Wark, J. S.; Decker, G.; Riley, David; Hartog, P. Den; Pellegrini, C.; Palmer, D.T.; Dierker, S. B.; Ferrario, M.; Sinha, Sudeshna; Cauble, R.; Hodgson, K. O.; Fawley, W.M.; Rose, S.J.; Waltz, David A.; Paterson, J. M.; Frisch, J.; Stephenson, B. M.; Kirby, R. E.; Winick, H.; Szöke, A.; Kim, K.J.; Wootton, Adam; Cornacchia, M.; Clendenin, J. E.; Spoel, David van der; Kao, Chi Chang; Borland, M.; Reiche, S.; Винокуров, Н.А.; Gierman, S.M.; Audebert, P.; Bane, K.

doi:10.2172/808719

Cited by 37 publications

(21 citation statements)

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“…The electron bunch reaches the undulator hall entrance after a second dogleg (DL2) and a transport line. The high current, high brightness electron bunch lases in either a 140-m long HXR undulator or 78 m long SXR undulator 32 . We refer the reader to 33 for LCLS-I fixed gap undulator line details.…”

Section: Methodsmentioning

confidence: 99%

Two- and Multi-bucket X-ray Free-Electron Laser at LCLS

Decker

Bane

Colocho

et al. 2021

Preprint

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X-ray Free Electron Lasers provide femtosecond X-ray pulses with narrow bandwidth and unprecedented peak brightness. Special modes of operation have been developed to deliver double pulses for X-ray pump, X-ray probe experiments. However, the longest delay between the two pulses achieved with existing single bucket methods is less than 1 picosecond, thus preventing exploration of longer timescales dynamics. We present a novel Two-bucket scheme covering delays from 350 picoseconds to hundreds of nanoseconds in discrete steps of 350 picoseconds. Performance for each pulse can be similar to the one in single pulse operation. The method has been experimentally tested with LCLS-I and LCLS-II hard x-ray undulators.

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Section: Methodsmentioning

confidence: 99%

Two- and Multi-bucket X-ray Free-Electron Laser at LCLS

Decker

Bane

Colocho

et al. 2021

Preprint

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“…Short wavelength free electron lasers (FEL), especially hard Xray FELs (XFEL), are the main drivers of ultralow emittance injectors [5]. In the design stage of the first hard Xray FEL, 1 nC with a normalized emittance of 1 µm is the baseline parameter for lasing at the wavelength around 1 Å [6,7]. Nowadays, most XFEL injectors operates with 0.25 nC with emittance below 0.4 µm [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Analysis of photoinjector transverse phase space in action and phase coordinates

Qian¹,

Krasilnikov²,

Aboulbanine³

et al. 2022

Preprint

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“…Driven by the vertical magnetic field, electrons move in a sinelike orbit and interact with the stored light wave, for generating coherent radiations [1][2][3][4][5]. Large beta function within the undulator will enlarge the cross section of the electron beam, which leads to a decrease of the current density and finally decreases the single pass gain [6,7]. On the other hand, too small beta function will lead to the increase of both radiation diffraction and the the equivalent energy spread derived from the betatron oscillation, that finally increases the gain length [8,9].…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, too small beta function will lead to the increase of both radiation diffraction and the the equivalent energy spread derived from the betatron oscillation, that finally increases the gain length [8,9]. Since the beta function of the electron beam in the undulator has a great influence on the gain length [7], optimization of the beta function becomes important for improving the FEL performance.…”

Section: Introductionmentioning

confidence: 99%