title: Transparent liquid-crystal-based microlens array using vertically aligned carbon nanofiber electrodes on quartz substrates.
abstract: A novel transparent liquid-crystal-based microlens array has been fabricated using an array of vertically aligned multi-wall carbon nanofibers (MWCNFs) on a quartz substrate and its optical characteristics investigated. Electron beam lithography was used for the catalyst patterning on a quartz substrate to grow the MWCNF array of electrodes. The structure of the electrode array was determined through simulation to achieve the best optical performance. Both the patterned catalyst and growth parameters were optimized for optimal MWCNF properties. We report an in-depth optical characterization of these reconfigurable hybrid liquid crystal and nanofiber microlens arrays.
authors.affiliation: Department of Engineering (Division B), University of Cambridge, Cambridge, UK. qd205@cam.ac.uk
authors.forename: Qing
authors.initials: Q
authors.lastname: Dai
authors.forename: Ranjith
authors.initials: R
authors.lastname: Rajasekharan
authors.forename: Haider
authors.initials: H
authors.lastname: Butt
authors.forename: Kanghee
authors.initials: K
authors.lastname: Won
authors.forename: Xiaozhi
authors.initials: X
authors.lastname: Wang
authors.forename: Timothy D
authors.initials: TD
authors.lastname: Wilkinson
authors.forename: Gehan
authors.initials: G
authors.lastname: Amaragtunga