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Simultaneous rotation, orientation and displacement control of birefringent microparticles in holographic optical tweezers
(Center for optics and photonics,Univesity of Concepcion)
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2013 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 21, no 1, 102-111 p.Article in journal (Refereed) Published
Abstract [en]

We report the experimental implementation of a new method for generating multiple dynamical optical tweezers, where each one of them is generated with an independent linear polarization state with arbitrary orientation. This also allows an independent simultaneous polarization-rotation control. The laser beam, both for generating multiple traps and polarization control, has been modulated using a single reflective nematic liquid crystal with parallel alignment. We present experimental results of controlled displacement, orientation and rotation of birefringent particles. In addition, a simple method for estimating and canceling out the primary astigmatism present in the system is presented.

Place, publisher, year, edition, pages
Optical Society of America, 2013. Vol. 21, no 1, 102-111 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-143349DOI: 10.1364/OE.21.000102ISI: 000315988100031Scopus ID: 2-s2.0-84872704194OAI: oai:DiVA.org:kth-143349DiVA: diva2:706316
Note

QC 20140321

Available from: 2014-03-19 Created: 2014-03-19 Last updated: 2017-12-05Bibliographically approved

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Publisher's full textScopushttp://www.ncbi.nlm.nih.gov/pubmed/23388900

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