title: Bragg selectivity of space-charge gratings in multidomain lithium niobate crystals.
abstract: It is shown experimentally and theoretically that a partial domain reversal in ferroelectric lithium niobate crystals containing a previously imprinted photorefractive space-charge grating results in a highly unusual change of the angular Bragg selectivity. This carries important in situ information about domain structures, including the quality of periodically poled samples.
authors.affiliation: Institute of Physics, University of Bonn, Bonn, Germany. eggert@physik.uni-bonn.de
authors.forename: H A
authors.initials: HA
authors.lastname: Eggert
authors.forename: F
authors.initials: F
authors.lastname: Kalkum
authors.forename: K
authors.initials: K
authors.lastname: Buse
authors.forename: B
authors.initials: B
authors.lastname: Sturman