ORBITAL ANGULAR MOMENTUM DENSITY OF A HOLLOW VORTEX GAUSSIAN BEAM
2013 ◽
Vol 141
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pp. 751-768
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1980 ◽
Vol 63
(1)
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pp. 338-341
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2013 ◽
Vol 15
(7)
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pp. 073025
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2017 ◽
Vol 64
(18)
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pp. 1876-1884
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