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  Dynamic operation of optical fibres beyond the single-mode regime facilitates the orientation of biological cells

Kreysing, M., Ott, D., Schmidberger, M. J., Otto, O., Schuermann, M., Martin-Badosa, E., et al. (2014). Dynamic operation of optical fibres beyond the single-mode regime facilitates the orientation of biological cells. NATURE COMMUNICATIONS, 5: 5481. doi:10.1038/ncomms6481.

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 Creators:
Kreysing, Moritz1, Author
Ott, Dino1, Author
Schmidberger, Michael J.2, 3, Author           
Otto, Oliver1, Author
Schuermann, Mirjam1, Author
Martin-Badosa, Estela1, Author
Whyte, Graeme3, Author           
Guck, Jochen1, Author
Affiliations:
1external, ou_persistent22              
2International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364697              
3Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              

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Free keywords: DIGITAL HOLOGRAPHIC MICROSCOPY; BEAM LASER TRAP; FEMTOSECOND LASER; LIGHT; TRANSMISSION; MANIPULATION; PARTICLES; SPANNER; SYSTEM; CHIPScience & Technology - Other Topics;
 Abstract: The classical purpose of optical fibres is delivery of either optical power, as for welding, or temporal information, as for telecommunication. Maximum performance in both cases is provided by the use of single-mode optical fibres. However, transmitting spatial information, which necessitates higher-order modes, is difficult because their dispersion relation leads to dephasing and a deterioration of the intensity distribution with propagation distance. Here we consciously exploit the fundamental cause of the beam deterioration-the dispersion relation of the underlying vectorial electromagnetic modes-by their selective excitation using adaptive optics. This allows us to produce output beams of high modal purity, which are well defined in three dimensions. The output beam distribution is even robust against significant bending of the fibre. The utility of this approach is exemplified by the controlled rotational manipulation of live cells in a dual-beam fibre-optical trap integrated into a modular lab-on-chip system.

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Language(s): eng - English
 Dates: 2014
 Publication Status: Published online
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000345910500009
DOI: 10.1038/ncomms6481
 Degree: -

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Title: NATURE COMMUNICATIONS
Source Genre: Journal
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Publ. Info: MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND : NATURE PUBLISHING GROUP
Pages: - Volume / Issue: 5 Sequence Number: 5481 Start / End Page: - Identifier: ISSN: 2041-1723