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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 1 — Feb. 4, 2013

Fiber-optic spanner

Bryan J. Black and Samarendra K. Mohanty  »View Author Affiliations

Optics Letters, Vol. 37, Issue 24, pp. 5030-5032 (2012)

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Methods of controllable, noncontact rotation of optically trapped microscopic objects have garnered significant attention for tomographic imaging and microfluidic actuation. Here, we report development of a fiber-optic spanner and demonstrate controlled rotation of smooth muscle cells. The rotation is realized by introducing a transverse offset between two counterpropagating beams emanating from single-mode optical fibers. The rotation speed and surrounding microfluidic flow could be controlled by varying balanced laser beam powers. Further, we demonstrate simultaneous translation and rotation of the fiber-optically trapped cell by varying the laser power of one fiber-optic arm.

© 2012 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.1530) Medical optics and biotechnology : Cell analysis
(180.0180) Microscopy : Microscopy
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: September 17, 2012
Revised Manuscript: October 7, 2012
Manuscript Accepted: October 7, 2012
Published: December 4, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Bryan J. Black and Samarendra K. Mohanty, "Fiber-optic spanner," Opt. Lett. 37, 5030-5032 (2012)

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