Journal
OPTICS LETTERS
Volume 41, Issue 21, Pages 5019-5022Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.41.005019
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Funding
- National Science Foundation (NSF) [1509733, 1509928, 1553905, 1554704]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1554704, 1509928] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1509733] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1553905] Funding Source: National Science Foundation
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We show that the average orbital angular momentum (OAM) of twisted light can be measured simply and robustly with a single stationary cylindrical lens and a camera. Theoretical motivation is provided, along with self-consistent optical modeling and experimental results. In contrast to qualitative interference techniques for measuring OAM, we quantitatively measure non-integer average OAM in mode superpositions. (C) 2016 Optical Society of America
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