Interference-free superposition of nonzero order light modes : Functionalized optical landscapes
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In this paper, we utilize the incoherent superposition of nonzero order light modes. We show that this approach brings an additional degree of freedom to the generation of optical fields and notably the formation of superpositions that are otherwise unattainable through the use of refractive or diffractive optical elements and coherent or incoherent light sources. We employ this technique in two exemplary cases: first to create a field with tunable orbital angular momentum whose spatial intensity distribution remains unchanged and second to form an unusual type of "nondiffracting" light beam.
Cizmar , T , Dalgarno , H I C , Ashok , P C , Gunn-Moore , F J & Dholakia , K 2011 , ' Interference-free superposition of nonzero order light modes : Functionalized optical landscapes ' , Applied Physics Letters , vol. 98 , no. 8 , 081114 . https://doi.org/10.1063/1.3552202
Applied Physics Letters
Copyright 2011, American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, Vol 98, Issue 8, and may be found at: http://scitation.aip.org/content/aip/journal/apl/98/8/10.1063/1.3552202
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