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

F. Bragheri*, P. Minzioni, Carlo Liberale, Enzo Di Fabrizio, I. Cristiani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)17647-17653
Number of pages7
JournalOptics Express
Volume16
Issue number22
DOIs
StatePublished - Oct 27 2008

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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