title: Formation of phase gratings on the end of gradient-index lenses with ultraviolet ablation at 193 nm.
abstract: We present a simple, cost-effective method for creating diffractive optical elements on the surfaces of optical fibers and fiber-optic components by use of 193-nm ablation techniques. It is an outgrowth of a more fundamental investigation of the effects of intense UV radiation fields on SiO2- and Ge-SiO2-based structures (specifically optical fibers and preforms) and allows the inexpensive fabrication of structures such as the suggested evanescent-field-based sensing device.
authors.affiliation: Research Center for Optical Physics, Hampton University, Hampton, Virginia 23668, USA.
authors.forename: E J
authors.initials: EJ
authors.lastname: Thompson
authors.forename: E D
authors.initials: ED
authors.lastname: Brass
authors.forename: K
authors.initials: K
authors.lastname: Samuel
authors.forename: S R
authors.initials: SR
authors.lastname: Bullock
authors.forename: J
authors.initials: J
authors.lastname: Lindesay
authors.forename: D R
authors.initials: DR
authors.lastname: Lyons