Study on particle size dependence of axial trapping efficiency

Title
Study on particle size dependence of axial trapping efficiency
Authors
오차환
Keywords
PARTICLE size determination; RADIATION trapping; OPTICAL tweezers; LASER beams; MIE scattering
Issue Date
2015-01
Publisher
OPTICAL SOC AMER
Citation
APPLIED OPTICS, v. 54, NO 4, Page. 901-907
Abstract
An optical tweezers system using laser beams with a Gaussian intensity profile and doughnut intensity profiles made by hollow core optical fiber and axicon lenses, respectively, was constructed. The axial trapping efficiencies for the three intensity profiles were measured and compared with each other. The particle size dependence of axial trapping efficiencies in the range of the particle diameter from 1 to 20 mu m were analyzed by using the modified ray optics model [Appl. Opt. 33, 1735 (1994)]. (C) 2015 Optical Society of America
URI
http://hdl.handle.net/20.500.11754/21078https://www.osapublishing.org/ao/abstract.cfm?uri=ao-54-4-901
ISSN
1559-128X
DOI
http://dx.doi.org/10.1364/AO.54.000901
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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