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光子学报  2004 

Analysis of the Lateral Optical Force Applied by the Femtosecond Laser Tweezers
飞秒激光光镊横向光学力的理论分析

Keywords: Laser technique,Femtosecond pulses,Laser tweezers,Lateral optical force
激光技术
,飞秒激光,光镊,横向光学力

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Abstract:

The lateral optical force applied on the dielectric particles by the femtosecond laser tweezers is theoretically analyzed. Taking femtosecond laser pulse train as the sampling of the CW light, a numerical model of the induced lateral forces on micrometer sized sphere is found and the formulas are derived. The numerical simulation shows that the lateral optical force applied by femtosecond laser pulse train can eliminate the Brownian movement of the particles and stably trap them.

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