光驱动马达技术中晶体转子厚度的优化分析

魏勇; 朱艳英; 肖长江

doi:10.7510/jgjs.issn.1001-3806.2015.02.010

光驱动马达技术中晶体转子厚度的优化分析

1.
燕山大学里仁学院, 秦皇岛 066004;
2.
燕山大学理学院, 秦皇岛 066004

作者简介: 魏勇(1982-),男,博士,讲师,主要从事光微操纵技术和激光精密测试技术方面的研究。E-mail:weiyongweiwei@163.com.

基金项目:
国家自然科学基金资助项目(50875232);秦皇岛市科学技术研究与发展计划资助项目(201101A071;201101A072)
中图分类号: TN249;O436.3

Optimal analysis of thickness of crystal particles based on optical drive motor

1.
College of Liren, Yanshan University, Qinhuangdao 066004, China;
2.
College of Science, Yanshan University, Qinhuangdao 066004, China
CLC number: TN249;O436.3

摘要: 为了提高碳酸钙晶体转子的转动频率,采用了激光微束驱动单轴双折射晶体使其产生旋转的方法,并改进了光致旋转的实验系统。对给定实验参量下的碳酸钙晶体转子的转动频率与其厚度和激光有效功率的变化关系进行了理论分析,通过实验测得了不同厚度碳酸钙晶体转子的转动频率值,并对影响转子转动频率的主要因素进行了详细讨论。结果表明,碳酸钙晶体转子的转动频率与其厚度呈现余弦变化关系,当入射有效激光功率为10mW时,测得其最大转动频率值为8.9Hz,实验结果与理论模拟基本吻合。该结论为微观范围内生物活细胞的颗粒分类、微纳机械转子的性能研究等提供了技术保障。
- 物理光学 /
- 光致旋转 /
- 自旋角动量 /
- 转动频率
Abstract: In order to improve the rotational frequency of a CaCO3 crystal rotor, based on optical rotation caused by the transfer of spin angular momentum from the laser beam to birefringence crystal particles, an experimental system of optical tweezers was designed and further improved with the circular polarized light beam. The relation between the rotation frequency of a calcium carbonate rotor and the thickness was simulated under different laser power. The rotation frequency of the calcium carbonate rotor with different thickness was measured in the experiment. The primary affecting factors of rotation frequency, such as thickness, radius, and orientation of the optic axis were analyzed. The results show that experimental curve of rotation frequency and thickness is periodic cosine function meanwhile the rotation frequency of the crystal rotor is proportional to the effective power. The maximum frequency of the crystal rotor can reach 8.9Hz in the experiment when effective power is 10mW, which is consistent with the theoretical simulation result. The conclusion supply the theoretical basis and technological guarantee for the classification of living biological cells, the study on properties of micro-mechanical rotor in the microscopic fields.
- physical optics /
- optical rotation /
- spin angular momentum /
- rotation frequency

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光驱动马达技术中晶体转子厚度的优化分析

作者简介: 魏勇(1982-),男,博士,讲师,主要从事光微操纵技术和激光精密测试技术方面的研究。E-mail:weiyongweiwei@163.com.

Optimal analysis of thickness of crystal particles based on optical drive motor

计量

光驱动马达技术中晶体转子厚度的优化分析

作者简介: 魏勇(1982-),男,博士,讲师,主要从事光微操纵技术和激光精密测试技术方面的研究。E-mail:weiyongweiwei@163.com

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Optimal analysis of thickness of crystal particles based on optical drive motor

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光驱动马达技术中晶体转子厚度的优化分析

作者简介: 魏勇(1982-),男,博士,讲师,主要从事光微操纵技术和激光精密测试技术方面的研究。E-mail:weiyongweiwei@163.com.

Optimal analysis of thickness of crystal particles based on optical drive motor

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光驱动马达技术中晶体转子厚度的优化分析

作者简介: 魏勇(1982-),男,博士,讲师,主要从事光微操纵技术和激光精密测试技术方面的研究。E-mail:weiyongweiwei@163.com

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Optimal analysis of thickness of crystal particles based on optical drive motor

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