4D optical fibers thermally drawn from shape-memory polymersClément Strutynski, Marianne Evrard, Frédéric Désévédavy, Grégory Gadret, Claire-Hélène Brachais, Bertrand Kibler and Frédéric SmektalaEPJ Web Conf., 287 (2023) 10005DOI: https://doi.org/10.1051/epjconf/202328710005