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Quantitative measurement of the orbital angular momentum density of light

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dc.contributor.author Dudley, Angela L
dc.contributor.author Litvin, IA
dc.contributor.author Forbes, A
dc.date.accessioned 2012-10-01T08:37:48Z
dc.date.available 2012-10-01T08:37:48Z
dc.date.issued 2012-03
dc.identifier.citation Dudley, A.L., Litvin, IA and Forbes, A. 2012. Quantitative measurement of the orbital angular momentum density of light. Applied Optics, vol. 51(7), pp 823-833 en_US
dc.identifier.issn 1559-128X
dc.identifier.uri http://www.opticsinfobase.org/ao/viewmedia.cfm?uri=ao-51-7-823&seq=0
dc.identifier.uri http://hdl.handle.net/10204/6111
dc.description Copyright: 2012 OSA. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/submit/review/copyright_permissions.cfm. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. en_US
dc.description.abstract In this work we derive expressions for the orbital angular momentum (OAM) density of light, for both symmetric and nonsymmetric optical fields, that allow a direct comparison between theory and experiment. We present a simple method for measuring the OAM density in optical fields and test the approach on superimposed nondiffracting higher-order Bessel beams. The measurement technique makes use of a single spatial light modulator and a Fourier transforming lens to measure the OAM spectrum of the optical field. Quantitative values for the OAM density as a function of the radial position in the optical field are obtained for both symmetric and nonsymmetric superpositions, illustrating good agreement with the theoretical prediction. en_US
dc.language.iso en en_US
dc.publisher Optical Society of America en_US
dc.relation.ispartofseries Workflow;9621
dc.subject Orbital angular momentum en_US
dc.subject OAM en_US
dc.subject Optics en_US
dc.subject Physics en_US
dc.subject Bessel–Gaussian beams en_US
dc.subject Bessel beams en_US
dc.title Quantitative measurement of the orbital angular momentum density of light en_US
dc.type Article en_US
dc.identifier.apacitation Dudley, A. L., Litvin, I., & Forbes, A. (2012). Quantitative measurement of the orbital angular momentum density of light. http://hdl.handle.net/10204/6111 en_ZA
dc.identifier.chicagocitation Dudley, Angela L, IA Litvin, and A Forbes "Quantitative measurement of the orbital angular momentum density of light." (2012) http://hdl.handle.net/10204/6111 en_ZA
dc.identifier.vancouvercitation Dudley AL, Litvin I, Forbes A. Quantitative measurement of the orbital angular momentum density of light. 2012; http://hdl.handle.net/10204/6111. en_ZA
dc.identifier.ris TY - Article AU - Dudley, Angela L AU - Litvin, IA AU - Forbes, A AB - In this work we derive expressions for the orbital angular momentum (OAM) density of light, for both symmetric and nonsymmetric optical fields, that allow a direct comparison between theory and experiment. We present a simple method for measuring the OAM density in optical fields and test the approach on superimposed nondiffracting higher-order Bessel beams. The measurement technique makes use of a single spatial light modulator and a Fourier transforming lens to measure the OAM spectrum of the optical field. Quantitative values for the OAM density as a function of the radial position in the optical field are obtained for both symmetric and nonsymmetric superpositions, illustrating good agreement with the theoretical prediction. DA - 2012-03 DB - ResearchSpace DP - CSIR KW - Orbital angular momentum KW - OAM KW - Optics KW - Physics KW - Bessel–Gaussian beams KW - Bessel beams LK - https://researchspace.csir.co.za PY - 2012 SM - 1559-128X T1 - Quantitative measurement of the orbital angular momentum density of light TI - Quantitative measurement of the orbital angular momentum density of light UR - http://hdl.handle.net/10204/6111 ER - en_ZA


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