Publications associated with Plasma Accelerators and Ultrafast X-rays

High Harmonic Optical Generator (Polarization Beating 2/2)

(2012) UK Patent Application GB1207963.8

LZ Liu, K O'Keeffe, SM Hooker

A high harmonic optical generator comprising a laser arrangement and an optical waveguide, wherein the laser arrangement is configured to couple a beam of linearly polarized radiation at a fundamental frequency into the optical waveguide to provide a beam of optical driving radiation that propagates along a propagation axis of the optical waveguide, the optical waveguide has a hollow core for a gaseous harmonic generation medium for generation of high harmonics of the fundamental frequency, and the generator is configured for the driving radiation to have a polarization ellipticity that periodically varies along the propagation axis of the optical waveguide.

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