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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 20 — Jul. 10, 2013
  • pp: 4950–4958

Separation of microparticles suspended in a minichannel using laser radiation pressure

Mohammad Zabetian, Mohammad Said Saidi, Mohammad Behshad Shafii, and Mohammad Hassan Saidi  »View Author Affiliations


Applied Optics, Vol. 52, Issue 20, pp. 4950-4958 (2013)
http://dx.doi.org/10.1364/AO.52.004950


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Abstract

Optical separation, which is a contactless and accurate technique, has been mostly used to manipulate single particles. This work mainly aims to present an effective technique for optical propulsion and separation of a group of microscopic particles that are suspended in liquids. An experimental study is conducted to assess the effect of radiation pressure of a high-power laser on a dilute dispersion of microparticles in water using microscopic image analysis. Results of separation experiments indicate that the manipulation mechanism is capable of sorting the microscopic particles in two size classes. Compared to common optical separators, this configuration has a benefit of separating many particles simultaneously.

© 2013 Optical Society of America

OCIS Codes
(000.2190) General : Experimental physics
(100.2960) Image processing : Image analysis
(110.0180) Imaging systems : Microscopy
(140.3390) Lasers and laser optics : Laser materials processing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 18, 2013
Manuscript Accepted: May 30, 2013
Published: July 9, 2013

Citation
Mohammad Zabetian, Mohammad Said Saidi, Mohammad Behshad Shafii, and Mohammad Hassan Saidi, "Separation of microparticles suspended in a minichannel using laser radiation pressure," Appl. Opt. 52, 4950-4958 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-20-4950


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