First measurements of second-order frequency conversion phase-matching conditions in the new CTAS crystalThéodore Remark, Patricia Segonds, Jérôme Debray, David Jegouso, Encarnación G. Víllora, Kiyoshi Shimamura and Benoît BoulangerEPJ Web Conf., 287 (2023) 05020DOI: https://doi.org/10.1051/epjconf/202328705020