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physics.optics2020
Chirality and helicity of optical vortices of small beam waists
Koray Koksal, Mohamed Babiker, Vassilis E. Lembessis +1
The chirality and helicity of linearly polarised Laguerre-Gaussian (LG) beams are examined. Such a type of light possesses a substantial longitudinal field when its beam waist is s…
physics.optics2006★ 348 cited
Optical ferris wheel for ultracold atoms
S. Franke-Arnold, J. Leach, M. J. Padgett +6
We propose a versatile optical ring lattice suitable for trapping cold and quantum degenerate atomic samples at discrete angular positions. We demonstrate the realisation of intens…