title: Photo induced gradient index lenses with W profile.
abstract: Bicomponent composite material mixture and single beam photo polymerization method are used to create a micro lens with W -like distribution of refractive index; the flat analogy of the "Schmidt" lens. The choice of two key components of the mixture, which change their mutual miscibility after the photo polymerization of one of them, allows the creation of stable spatial modulation of the refractive index.
authors.affiliation: Department of Physics,Center for Optics, Photonics and Laser, Engineering Physics and Optics Université Laval, Pavillon d'Optique-Photonique, Quebec, Canada.
authors.forename: Olivier
authors.initials: O
authors.lastname: Doyle
authors.forename: Tigran
authors.initials: T
authors.lastname: Galstian