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Proceedings Paper

Study of doughnut beam with high charge number generated by liquid crystal plates
Author(s): Jiping Ning; Lu Pang; Xiaobo Qi; Huafeng Zhao; Qun Han; Zhiqiang Chen; Guofang Fan; Lianju Shang
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Paper Abstract

The doughnut beams with charges of 1 to 3 are generated by one and stacking two and three Liquid crystal(LC) spiral phase plates with cell gaps of 7 μm respectively. Theoretically, any charge number can be obtained by the stacking method. High efficiency and flexibility are the advantages of generating doughnut beams by stacking liquid crystal spiral phase plates. The interference of doughnut beam generated by LC spiral phase plate and plane wave has been studied. The numerical simulation results agree with the experiment.

Paper Details

Date Published: 27 October 2006
PDF: 4 pages
Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 60470C (27 October 2006); doi: 10.1117/12.710924
Show Author Affiliations
Jiping Ning, Tianjin Univ. (China)
Ministry of Education (China)
Lu Pang, Tianjin Univ. (China)
Ministry of Education (China)
Xiaobo Qi, Tianjin Univ. (China)
Ministry of Education (China)
Huafeng Zhao, Tsinghua Univ. (China)
Qun Han, Tianjin Univ. (China)
Ministry of Education (China)
Zhiqiang Chen, Tianjin Univ. (China)
Ministry of Education (China)
Guofang Fan, Tianjin Univ. (China)
Ministry of Education (China)
Lianju Shang, Tianjin Univ. (China)
Ministry of Education (China)


Published in SPIE Proceedings Vol. 6047:
Fourth International Conference on Photonics and Imaging in Biology and Medicine
Kexin Xu; Qingming Luo; Da Xing; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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