期刊
OPTICS EXPRESS
卷 16, 期 5, 页码 3463-3473出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.003463
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资金
- National Research Foundation of Korea [R01-2007-000-11650-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Optical forces on a micro-bubble were computed using the Finite Difference Time Domain method. Non-paraxial Gaussian beam equation was used to represent the incident laser with high numerical aperture, common in optical tweezers. The electromagnetic field distribution around a micro-bubble was computed using FDTD method and the electromagnetic stress tensor on the surface of a micro-bubble was used to compute the optical forces. By the analysis of the computational results, interesting relations between the radius of the circular trapping ring and the corresponding stability of the trap were found. (C) 2008 Optical Society of America.
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