Design and optimization of a reflection-based fiber-optic tweezers

被引：17
作者：
Bragheri, F. [1 ,2 ]
Minzioni, P. [1 ,2 ]
Liberale, C. [3 ]
Di Fabrizio, E. [3 ]
Cristiani, I. [1 ,2 ]
机构：
[1] CNISM, I-27100 Pavia, Italy
[2] Univ Pavia, Dept Elect, I-27100 Pavia, Italy
[3] Magna Graecia Univ Catanzaro, Dept Med Sperimentale & Clin, BIONEM Lab, I-88100 Catanzaro, Italy
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 22期
关键词：
D O I：
10.1364/OE.16.017647
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the numerical modelling of a novel all-fiber optical tweezers, whose efficacy has been recently demonstrated. The device, realized by properly shaping the end-face of a fiber bundle, exploits total internal reflection to enhance the trapping efficiency. In order to allow the optimization of the performance, the trapping efficiency is evaluated as a function of different geometrical parameters of the structure. Given the peculiar spatial and angular distribution of the optical field, a new figure of merit is adopted to assess tweezers performance. (C) 2008 Optical Society of America
引用
收藏
页码：17647 / 17653
页数：7
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