Mcgloin, D., Simpson, N. and Padgett, M. (1998) Transfer Of Orbital Angular Momentum From A Stressed Fiber-Optic Waveguide To A Light Beam. Applied Optics, 37(3), pp. 469-472. (doi: 10.1364/AO.37.000469)
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Abstract
A stressed fiber-optic waveguide is used to impart orbital angular momentum to a Hermite-Gaussian (HG(10)) laser mode. The transmitted beam has an annular intensity profile and a well-defined azimuthal phase dependence. We confirm the phase structure of the beam by observing the interference pattern produced between it and a plane wave. The transfer of the angular momentum to the light occurs because of a difference in phase velocity within the fiber for two orthogonal modes that comprise the input beam. This represents a mechanism for the transfer of orbital angular momentum to a light beam that has not hitherto been identified.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Padgett, Professor Miles |
Authors: | Mcgloin, D., Simpson, N., and Padgett, M. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Applied Optics |
Journal Abbr.: | Appl. Optics |
ISSN: | 0003-6935 |
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