Dynamic shaping of orbital-angular-momentum beams with an optimized Lee method

Xinyao Hu; Qian Zhao; Panpan Yu; Xuanling Li; Ziqiang Wang; Yinmei Li; Lei Gong

doi:10.1117/12.2318884

24 April 2018 Dynamic shaping of orbital-angular-momentum beams with an optimized Lee method

Xinyao Hu, Qian Zhao, Panpan Yu, Xuanling Li, Ziqiang Wang, Yinmei Li, Lei Gong

Proceedings Volume 10712, Optical Manipulation Conference; 107121O (2018) https://doi.org/10.1117/12.2318884
Event: SPIE Structured Light, 2018, Yokohama, Japan

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.

Citation Download Citation

Xinyao Hu, Qian Zhao, Panpan Yu, Xuanling Li, Ziqiang Wang, Yinmei Li, and Lei Gong "Dynamic shaping of orbital-angular-momentum beams with an optimized Lee method", Proc. SPIE 10712, Optical Manipulation Conference, 107121O (24 April 2018); https://doi.org/10.1117/12.2318884

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