Thermal deformation compensation scheme to the sub-nanometre level of a piezoelectric offset mirror for MHz repetition rate free-electron laser

Sun, B.; Li, Q.; Yang, C.; Hu, K.; Xu, Z.; Dong, X.; Zhang, W.; Yang, X.

doi:10.1107/S1600577524011469

Journal of Synchrotron Radiation Journal of
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Figure 13
Wave-optics simulation at focal spots for (a)–(d) 1 nm and (e)–(h) 3 nm FEL beam passing through (a, e) perfect M1; (b, f) M1 with thermal deformation; (c, g) M1 after shape compensation; (d, h) intensity distributions. Piezoelectric compensation refines the micrometre-level focus to near-ideal.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 32| Part 1| January 2025|

https://doi.org/10.1107/S1600577524011469

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