2010
DOI: 10.1103/physrevstab.13.020703
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Measurements of the linac coherent light source laser heater and its impact on the x-ray free-electron laser performance

Abstract: The very bright electron beam required for an x-ray free-electron laser (FEL), such as the linac coherent light source (LCLS), is susceptible to a microbunching instability in the magnetic bunch compressors, prior to the FEL undulator. The uncorrelated electron energy spread in the LCLS can be increased by an order of magnitude to provide strong Landau damping against the instability without degrading the FEL performance. To this end, a ''laser-heater'' system has been installed in the LCLS injector, which mod… Show more

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Cited by 141 publications
(114 citation statements)
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“…A.2 and A. 4, we see that the 1D and 3D expressions are similar; the only difference is the δ term, which is generally small.…”
Section: Analytical Comparison Of 1d and 3d Modelsmentioning
confidence: 63%
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“…A.2 and A. 4, we see that the 1D and 3D expressions are similar; the only difference is the δ term, which is generally small.…”
Section: Analytical Comparison Of 1d and 3d Modelsmentioning
confidence: 63%
“…The simulations are consistent with measurements for both soft and hard x-rays. √ P L , with the laser heater power, P L , given in µJ [4]. Note that at low laser power trickle heating causes a noticeable bump in the energy spread.…”
Section: Resultsmentioning
confidence: 99%
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