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Tight focusing of spirally polarized vortex beams

โœ Scribed by Jixiong Pu; Zhiming Zhang


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
568 KB
Volume
42
Category
Article
ISSN
0030-3992

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Experimental verification of focus tailo
โœ Shuangyang Yang; Peter E. Powers; Qiwen Zhan ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 606 KB

The focusing properties of circularly polarized vortex beam are experimentally verified by examining two-photon fluorescent emission patterns inside an 8 lm fluorescent microsphere. Very good agreements between the experimental and theoretical results have been obtained. Annular pupil masks are used