激光与光电子学进展, 2015, 52 (4): 042601, 网络出版: 2015-03-25   

棱镜组产生宽区域近似无衍射栅型结构光

Prism Group Generating Wide Area Approximate Non-Diffracting Grating Structure Light
吴志伟 1,2,*
作者单位
1 泉州师范学院物理与信息工程学院, 福建 泉州 362000
2 信息功能材料福建省高校重点实验室, 福建 泉州 362000
摘要
提出一种产生近似无衍射栅型结构光的新型光学系统,该系统由若干块三角棱镜组合而成.解决了现有技术产生近似无衍射栅型结构光的栅型条纹区域小,无法应用于全场测量的问题.采用干涉理论详细分析了产生近似无衍射栅型结构光的物理过程,给出了光束相关参数的计算公式.应用光学分析软件Zemax 模拟了新型光学系统后不同位置处的光强分布,模拟结果与干涉理论分析的结果基本一致;进而对几种系统误差对输出光束的影响进行分析.研究结果表明:平面波通过新型光学系统能够产生一种具有宽测量区域、参数调节灵活等特点,同时抗干扰性能较好的近似无衍射栅型结构光.
Abstract
A novel optical system is proposed for generating approximate non-diffracting grating structure light,and it is composed of several triangular-section prisms.The technical problem that the striped regional of approximate non-diffracting grating structure light generating by existing technology is so small that it cannot be applied to wide range measurement is solved.Physical processes of generating approximate non-diffracting grating structure light is analyzed by interference theory,and relevant parameters are also calculated.The intensity distribution in different positions after system is simulated by Zemax software.The conclusion of simulation is consistent with that of interference theory.And impacts on output beam by several systematic errors are also analyzed.The result shows that when a plane wave illuminates on the novel optical system,approximate nondiffracting grating structure light with wide measurement area,adjustment flexibility and strong anti-interference ability is formed.

吴志伟. 棱镜组产生宽区域近似无衍射栅型结构光[J]. 激光与光电子学进展, 2015, 52(4): 042601. Wu Zhiwei. Prism Group Generating Wide Area Approximate Non-Diffracting Grating Structure Light[J]. Laser & Optoelectronics Progress, 2015, 52(4): 042601.

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