title: Origin of the sublinear photorefractive response time in BaTiO(3).
abstract: The sublinear dependence of the photorefractive grating formation time on laser intensity in BaTiO(3) is explained by the secondary-center photorefractive model.
authors.forename: G A
authors.initials: GA
authors.lastname: Brost
authors.forename: R A
authors.initials: RA
authors.lastname: Motes