激光与光电子学进展, 2019, 56 (14): 140502, 网络出版: 2019-07-12
涡旋光束轨道角动量的一种新型干涉检测方法 
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Interferometric Detection Method for Orbital Angular Momentum of Vortex Beams
图 & 表
图 1. 产生和检测涡旋光束OAM的实验装置图
Fig. 1. Experimental device diagram for generating and detecting OAM of vortex beams
图 2. 干涉模式的产生原理图。(a) LG05光束对应的螺旋相位板;(b)条形衍射光栅;(c)叉形光栅; (d) LG05光束的干涉花瓣模式;(e)圆环形的LG05光束
Fig. 2. Schematic of generation of interference mode. (a) Spiral phase plate corresponding to LG05 beam; (b) strip diffraction grating; (c) fork grating; (d) interference petal pattern of LG05 beam; (e) circular LG05 beam
图 3. 干涉图案的实验和理论对比图。 (a)实验结果;(b)理论结果
Fig. 3. Comparison of experimental and theoretical results of interference figures. (a) Experimental results; (b) theoretical results
图 4. 产生不同OAM的Bessel-Gaussian光束的相位板和花瓣状干涉光场分布。(a) OAM为正;(b) OAM为负
Fig. 4. Phase plates to generate Bessel-Gaussian beams with different OAMs and corresponding petal-like interference field distributions. (a) OAM is positive; (b) OAM is negative
图 5. 高阶多环Laguerre-Gaussian光束对应的相位板
Fig. 5. Phase plates corresponding to high-order multi-ring Laguerre-Gaussian beam
裴春莹, 茅志翔, 徐素鹏, 夏勇, 尹亚玲. 涡旋光束轨道角动量的一种新型干涉检测方法[J]. 激光与光电子学进展, 2019, 56(14): 140502. Chunying Pei, Zhixiang Mao, Supeng Xu, Yong Xia, Yaling Yin. Interferometric Detection Method for Orbital Angular Momentum of Vortex Beams[J]. Laser & Optoelectronics Progress, 2019, 56(14): 140502.
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