The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Campbell:FEL2017-FRB05} \bibitem{Campbell:FEL2017-FRB05} L.T. Campbell, B.W.J. MᶜNeil, \textquotedblleft{Wide Bandwidth, Frequency Modulated Free Electron Laser}\textquotedblright, in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-FRB05}, 2018. % in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-FRB05}, pp. 581--585. % in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper FRB05, \url{https://doi.org/10.18429/JACoW-FEL2017-FRB05} % in \emph{Proc. 38th Int. Free Electron Laser Conf. (FEL'17)}, % Santa Fe, NM, USA, Aug. 2017, paper FRB05, pp. 581--585, % ISBN: 978-3-95450-179-3, % \url{http://jacow.org/fel2017/papers/frb05.pdf}, % \url{https://doi.org/10.18429/JACoW-FEL2017-FRB05}, 2018.