title: Microlenses in polymethyl methacrylate with high relative aperture.
abstract: Lens arrays with relative apertures as high as 1 can be fabricated in polymethyl methacrylate with a high-energy H+b eam and diffusion of styrene in the irradiatedd omains.
authors.forename: M
authors.initials: M
authors.lastname: Frank
authors.forename: M
authors.initials: M
authors.lastname: Kufner
authors.forename: S
authors.initials: S
authors.lastname: Kufner
authors.forename: M
authors.initials: M
authors.lastname: Testorf