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Journal article

Laser trapping of low refractive index colloids in a nematic liquid crystal.

Abstract:

We describe and analyze laser trapping of small colloidal particles in a nematic liquid crystal, where the index of refraction of colloids is smaller compared to the indices of the liquid crystal. Two mechanisms are identified that are responsible for this anomalous trapping: (i) below the optical Fréedericksz transition, the trapping is due to the anisotropic dielectric interaction of the polarized light with the inhomogeneous director field around the colloid, (ii) above the optical Fréeder...

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Publication status:
Published

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Publisher copy:
10.1103/physreve.73.021705

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics More from this journal
Volume:
73
Issue:
2 Pt 1
Pages:
021705
Publication date:
2006-02-01
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
Language:
English
Pubs id:
pubs:155473
UUID:
uuid:6bba5c18-4890-432f-b5c8-e2bbbfae0779
Local pid:
pubs:155473
Source identifiers:
155473
Deposit date:
2012-12-19

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