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Proceedings Paper

Dynamic shaping of orbital-angular-momentum beams with an optimized Lee method
Author(s): Xinyao Hu; Qian Zhao; Panpan Yu; Xuanling Li; Ziqiang Wang; Yinmei Li; Lei Gong
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Paper Abstract

Shaping complex fields with a digital micromirror device (DMD) has attracted much attention recently due to its potential application in optical communication and microscopy. In this paper, we present an optimized Lee method to achieve dynamic shaping of orbital-angular-momentum (OAM) beams using a binary DMD. An error diffusion algorithm is introduced to enhance the accuracy for binary-amplitude hologram design, making it possible to achieve high fidelity wavefront shaping while retaining a high resolution. As a proof of concept, we apply this method to create different classes of OAM beams and experimentally demonstrate the dynamic shaping of different OAM beams including pure modes and mixed modes with a switching rate of up to 17.8 kHz.

Paper Details

Date Published: 24 April 2018
PDF: 3 pages
Proc. SPIE 10712, Optical Manipulation Conference, 107121O (24 April 2018); doi: 10.1117/12.2318884
Show Author Affiliations
Xinyao Hu, Univ. of Science and Technology of China (China)
Qian Zhao, Univ. of Science and Technology of China (China)
Panpan Yu, Univ. of Science and Technology of China (China)
Xuanling Li, Univ. of Science and Technology of China (China)
Ziqiang Wang, Univ. of Science and Technology of China (China)
Yinmei Li, Univ. of Science and Technology of China (China)
Lei Gong, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 10712:
Optical Manipulation Conference
Takashige Omatsu; Hajime Ishihara; Keiji Sasaki, Editor(s)

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