Opto-Electronic Advances
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2018 Vol. 1, No. 7
Cover Story:Chen R S, Wang J H, Zhang X Q, Yao J N, Ming H et al. Fiber-based mode converter for generating optical vortex beams. Opto-Electronic Advances 1, 180003 (2018).

Vortex beams have an isolated phase singularity of the center of the optical field, leading to null intensity at the beam center. Due to the possessing of orbital angular momentum (OAM), OAM beams have found potential applications in optical tweezers, optical manipulation, microscopy, quantum information processing, and classical and quantum communications, etc.
The research group of Prof. Anting Wang from University of Science and Technology of China (USTC) proposed a novel orbital angular momentum (OAM) mode converter that is easy to fabricate with the existing optical-fiber drawing techniques.
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Online Time:Aug 13, 2018
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Chen R S, Wang J H, Zhang X Q, Yao J N, Ming H et al. Fiber-based mode converter for generating optical vortex beams. Opto-Electronic Advances 1, 180003 (2018). 
Online Time:Aug 21, 2018
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Cite this article:
Cao G Y, Gan X S, Lin H, Jia B H. An accurate design of graphene oxide ultrathin flat lens based on Rayleigh-Sommerfeld theory. Opto-Electronic Advances 1, 180012 (2018).