Research of optical vortex’s energy efficiency and diffraction angle based on spatial light modulator

Wei Shao; Sujuan Huang; Musheng Chen; Xianpeng Liu; Wancai Xie

doi:10.1117/1.OE.56.8.086113

30 August 2017 Research of optical vortex’s energy efficiency and diffraction angle based on spatial light modulator

Wei Shao, Sujuan Huang, Musheng Chen, Xianpeng Liu, Wancai Xie

Author Affiliations +

Funded by: National Natural Science Foundation of China (NSFC), Natural Science Foundation of China, Shanghai STCSM, Natural Science Foundation of Jiangsu Province (Jiangsu Natural Science Foundation

Optical Engineering, Vol. 56, Issue 8, 086113 (August 2017). https://doi.org/10.1117/1.OE.56.8.086113

Abstract

We systematically study the effects of computer-generated hologram characteristics and spatial light modulator (SLM) performance on the quality of the optical vortex (OV). To improve the energy efficiency of the OV, the blazed fork gratings are introduced to transfer most of the energy to +1 diffraction order of SLM, and the relationship among three kinds of holograms is discussed. A mathematical model, based on the digital blazed grating theory, is proposed to analyze the diffraction angle and energy efficiency of +1 order. The theoretical analysis is further validated by experimental results. The research provides useful guidelines for OV-related applications.

Citation Download Citation

Wei Shao, Sujuan Huang, Musheng Chen, Xianpeng Liu, and Wancai Xie "Research of optical vortex’s energy efficiency and diffraction angle based on spatial light modulator," Optical Engineering 56(8), 086113 (30 August 2017). https://doi.org/10.1117/1.OE.56.8.086113

Received: 23 March 2017; Accepted: 24 May 2017; Published: 30 August 2017

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