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Conferences > CLEOPR > 2018 > W3A > W3A.113

Measuring the topological charge of light beams generated by four-wave mixing in Rb vapours

J. Muir, N. Rahaman, A.M. Akulshin, and R.J. McLean

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Abstract

Collimated light generated via four wave mixing in atomic rubidium vapours excited by light carrying orbital angular momentum is analyzed, particularly the case of doughnut-shaped intensity profiles with zero topological charge.

© 2018 The Author(s)

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