Knippels, G. ., van der Meer, A. F. G., Mols, R. F. X. A. M., Oepts, D. ., van Amersfoort, P. W., & Jaroszynski, D. A. (1996). Influence of a step-tapered undulator field on the optical pulse shape of a far-infrared free-electron laser. Ieee Journal of Quantum Electronics, 32, 896-904. https://doi.org/10.1109/3.502366 (Original work published 2025)
DIFFER