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\section*{Acknowledgements}  With thanks to the \href{https://www.photonicsystems.org/}{Photonic Systems Development CDT}, the CERN PH-CMX group. This work was carried out in the framework of the Crystal Clear Collaboration.This article was written using the excellent \href{www.authorea.com}{Authorea} and is available online at \href{https://www.authorea.com/users/695/articles/3692}{https://www.authorea.com/users/695/articles/3692}.