Experimental demonstration of a low repetition rate optical frequency combFrancesco Canella, Johannes Weitenberg, Paras Dwivedi, Fabian Schmid, Gianluca Galzerano, Theodor W. Hänsch, Thomas Udem and Akira OzawaEPJ Web Conf., 287 (2023) 07023DOI: https://doi.org/10.1051/epjconf/202328707023