Beam optics approach to the ray optics model for the optical trapping efficiency of optical tweezers

Sung Hyun Kim, Hyun Ik Kim, Hyeong Joon Jun, Hyun Ji Kim, Cha-Hwan Oh

Research output: Contribution to journalArticle

Abstract

The optical trapping efficiency of optical tweezers can be explained by the ray optics model when the particle size is much larger than the wavelength of laser light. The Optical trapping efficiency in the ray optics model does not depend on the particle size. However, The most experimental results usually show that the optical trapping efficiency decreases as the particle size decreases. In this study, we suggest a beam optics approach in order to take into account the particle size dependence effect in the ray optics model.

Original languageEnglish
Pages (from-to)155-158
Number of pages4
JournalJournal of the Korean Physical Society
Volume60
Issue number1
DOIs
StatePublished - 2012 Jan 1

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geometrical optics
trapping
optics
wavelengths
lasers

Keywords

  • Beam optics
  • Optical tweezers
  • Ray optics model
  • Trapping efficiency

Cite this

Kim, Sung Hyun ; Kim, Hyun Ik ; Jun, Hyeong Joon ; Kim, Hyun Ji ; Oh, Cha-Hwan. / Beam optics approach to the ray optics model for the optical trapping efficiency of optical tweezers. In: Journal of the Korean Physical Society. 2012 ; Vol. 60, No. 1. pp. 155-158.
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Beam optics approach to the ray optics model for the optical trapping efficiency of optical tweezers. / Kim, Sung Hyun; Kim, Hyun Ik; Jun, Hyeong Joon; Kim, Hyun Ji; Oh, Cha-Hwan.

In: Journal of the Korean Physical Society, Vol. 60, No. 1, 01.01.2012, p. 155-158.

Research output: Contribution to journalArticle

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