title: Reconfigurable Shack-Hartmann sensor without moving elements.
abstract: We demonstrate wavefront sensing with variable measurement sensitivity and dynamic range by means of a programmable microlens array implemented onto an off-the-shelf twisted nematic liquid crystal display operating as a phase-only spatial light modulator. Electronic control of the optical power of a liquid lens inserted at the aperture stop of a telecentric relay system allows sensing reconfigurability without moving components. Results of laboratory experiments show the ability of the setup to detect both smooth and highly aberrated wavefronts with adequate sensitivity.
authors.affiliation: GROC-UJI, Departament de Física, Universitat Jaume I, 12071 Castelló, Spain. rcuenca@fca.uji.es
authors.forename: Raúl
authors.initials: R
authors.lastname: Martínez-Cuenca
authors.forename: Vicente
authors.initials: V
authors.lastname: Durán
authors.forename: Vicent
authors.initials: V
authors.lastname: Climent
authors.forename: Enrique
authors.initials: E
authors.lastname: Tajahuerce
authors.forename: Salvador
authors.initials: S
authors.lastname: Bará
authors.forename: Jorge
authors.initials: J
authors.lastname: Ares
authors.forename: Justo
authors.initials: J
authors.lastname: Arines
authors.forename: Manuel
authors.initials: M
authors.lastname: Martínez-Corral
authors.forename: Jesús
authors.initials: J
authors.lastname: Lancis