title: Generation of vortex beams by an image-rotating optical parametric oscillator.
abstract: We generate optical vortex beams in a nanosecond optical parametric oscillator based on an image-rotating resonator. This efficient new method of vortex generation should be adaptable to pulsed or continuous lasers.
authors.forename: Arlee
authors.initials: A
authors.lastname: Smith
authors.forename: Darrell
authors.initials: D
authors.lastname: Armstrong