Nicolas Fressengeas @fresseng · activity timestamp 10 years ago Experimental study of the self-focusing process temporal behavior in photorefractive Bi12TiO20 A systematic experimental study of the photorefractive self-focusing process in Bi12TiO20 is conducted and its results are successfully compared to previous and new theoretical work. Reply Boost or quote Boost Quote Like More actions Copy link Flag this media Block Delete media Deleting... Delete from feeds Deleting...