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Attosecond, High-Harmonic Optical Vortices with Tailored Spin and Orbital Angular Momentum

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Abstract

Extreme-ultraviolet, attosecond beams with custom spin and orbital angular momentum are produced via high-harmonic generation, for the first time. Entwined angular momentum conservation rules yield exquisite control over their polarization, divergence, and vortex charge.

© 2019 The Author(s)

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