光折变晶体中共面多光束干涉研究

陈宝东; 温静; 张宝光

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光折变晶体中共面多光束干涉研究

陈宝东, 温静, 张宝光

文章导航 > 红外与激光工程 > 2012 > 41(1): 133-138

陈宝东, 温静, 张宝光. 光折变晶体中共面多光束干涉研究[J]. 红外与激光工程, 2012, 41(1): 133-138.

引用本文:

陈宝东, 温静, 张宝光. 光折变晶体中共面多光束干涉研究[J]. 红外与激光工程, 2012, 41(1): 133-138.

CHEN Bao-Dong, WEN Jing, ZHANG Bao-Guang. Coplanar multiple-beam interference in photorefractive crystal[J]. Infrared and Laser Engineering, 2012, 41(1): 133-138.

Citation:

CHEN Bao-Dong, WEN Jing, ZHANG Bao-Guang. Coplanar multiple-beam interference in photorefractive crystal[J]. Infrared and Laser Engineering, 2012, 41(1): 133-138.

光折变晶体中共面多光束干涉研究

1.
内蒙古工业大学材料科学与工程学院材料工程与设计研究所,内蒙古呼和浩特 010051;
2.
内蒙古化工职业学院继续教育部,内蒙古呼和浩特 010010

Coplanar multiple-beam interference in photorefractive crystal

1.
Institute of Materials Engineering and Design,College of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,China;
2.
Department of Continuing Education,Inner Mongolia Chemical Engineering Professional College,Hohhot 010010,China

摘要: 构用共面多光束干涉在光折变晶体中形成了对比度较大的一维、二维周期性晶格微结构。理论和实验对比研究了共面双光束和多光束在光折变晶体中会聚相干形成周期微结构的分布规律和影响因素。在相干理论的基础上，建立了具有普适性的共面多光束相干数学模型，数值模拟了n(n=1,2,3,4,5,6)束共面激光相干光场的光强分布规律。实验结果表明，干涉光场图案分布同数值模拟相吻合。实验中进一步讨论了相干系统各参数变化对干涉效果的影响，并通过全息记录在铁电铌酸锂晶体中构造出了同多光束干涉场光强分布对应的光子晶格微结构。
- 共面多光束干涉 /
- 光折变晶体 /
- 光子晶格 /
- 数值模拟
Abstract: The high-contrast 1D and 2D periodic microstructures of photonic lattice were formed in a photorefractive crystal by using the coplanar multiple-beam interference method. The distribution regularities and influence factor of periodic microstructures by interference of the coplanar of two or more beams intersecting at a photorefractive crystal were investigated experimentally and theoretically. The universal mathematical model of coplanar multiple-beam interference was established on the base principle of interference optics, and the light intensity distribution with n(n=1, 2, 3, 4, 5, 6) beams interference was simulated by computer. In the experiment, the coplanar multiple-beam interference was used to fabricate interference pattern and generate photonic lattice. The results show that it is quite consistent with the simulation results. The effect of various factors on characteristic in coherent system was further discussed. Interference pattern formed by coplanar multiple-beam laser was used to illuminate ferroelectrics lithium niobate crystal, then microstructure of photonic lattice was fabricated in the crystal due to holographic recording.
- coplanar multiple-beam interference /
- photorefractive crystal /
- photonic lattice /
- numerical emulation

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光折变晶体中共面多光束干涉研究

1. 内蒙古工业大学材料科学与工程学院材料工程与设计研究所,内蒙古呼和浩特 010051;

2. 内蒙古化工职业学院继续教育部,内蒙古呼和浩特 010010

刊出日期: 2012-01-25

关键词:

摘要: 构用共面多光束干涉在光折变晶体中形成了对比度较大的一维、二维周期性晶格微结构。理论和实验对比研究了共面双光束和多光束在光折变晶体中会聚相干形成周期微结构的分布规律和影响因素。在相干理论的基础上，建立了具有普适性的共面多光束相干数学模型，数值模拟了n(n=1,2,3,4,5,6)束共面激光相干光场的光强分布规律。实验结果表明，干涉光场图案分布同数值模拟相吻合。实验中进一步讨论了相干系统各参数变化对干涉效果的影响，并通过全息记录在铁电铌酸锂晶体中构造出了同多光束干涉场光强分布对应的光子晶格微结构。

English Abstract

Coplanar multiple-beam interference in photorefractive crystal

1. Institute of Materials Engineering and Design,College of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,China;

2. Department of Continuing Education,Inner Mongolia Chemical Engineering Professional College,Hohhot 010010,China

Publish Date: 2012-01-25

Keywords:

Abstract: The high-contrast 1D and 2D periodic microstructures of photonic lattice were formed in a photorefractive crystal by using the coplanar multiple-beam interference method. The distribution regularities and influence factor of periodic microstructures by interference of the coplanar of two or more beams intersecting at a photorefractive crystal were investigated experimentally and theoretically. The universal mathematical model of coplanar multiple-beam interference was established on the base principle of interference optics, and the light intensity distribution with n(n=1, 2, 3, 4, 5, 6) beams interference was simulated by computer. In the experiment, the coplanar multiple-beam interference was used to fabricate interference pattern and generate photonic lattice. The results show that it is quite consistent with the simulation results. The effect of various factors on characteristic in coherent system was further discussed. Interference pattern formed by coplanar multiple-beam laser was used to illuminate ferroelectrics lithium niobate crystal, then microstructure of photonic lattice was fabricated in the crystal due to holographic recording.