Theoretical analysis of optical force density distribution inside subwavelength-diameter optical fibers

张运原; 虞华康; 王向珂; 吴婉玲; 谷付星; 李志远

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Theoretical analysis of optical force density distribution inside subwavelength-diameter optical fibers

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We investigate the microscopic optical force density distributions respectively inside a subwavelength-diameter(SD)fiber with flat endface and inside one with oblique endface by using a finite-difference time-domain(FDTD) method.Optical force density distributions at the fiber endfaces can now be readily available. The complete knowledge of optical force density distributions not only reveal features regarding the microscopic near-field optomechanical interaction, but also provide straightforward explanations for the sideway deflections and other mechanical motions. Our results can provide a useful reference for better understanding the mechanical influence when light transports in a microscale or nanoscale structure and for developing future highly-sensitive optomechanical devices.

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《中国物理：英文版》 |2018年第10期|362-367|共6页
作者
张运原; 虞华康; 王向珂; 吴婉玲; 谷付星; 李志远;
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作者单位

School of Physics and Optoelectronics;

South China University of Technology;

Shanghai Key Laboratory of Modern Optical System;

Engineering Research Center of Optical Instrument and System (Ministry of Education);

University of Shanghai for Science and Technology;

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原文格式 PDF
正文语种 chi
中图分类光纤元件;
关键词
密度分布; 光纤维; 光力; 直径; 分发; 机械运动; 相互作用; 显微镜;

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Theoretical analysis of optical force density distribution inside subwavelength-diameter optical fibers

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