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Proceedings Paper

Micro- and nano-particle trapping using fibered optical nano-tweezers
Author(s): Jean-Baptiste Decombe; Géraldine Dantelle; Thierry Gacoin; Francisco J. Valdivia-Valero; Gérard Colas des Francs; Serge Huant; Jochen Fick
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Paper Abstract

We present the stable trapping of luminescent 300-nm cerium-doped YAG particles in aqueous suspension using a dual fiber tip optical tweezers. The particles were elaborated using a specific glycothermal synthesis route together with an original protected annealing step. We obtained harmonic trap potentials in the direction transverse to the optical fiber axes. In the longitudinal direction, the potential shows some sub-structure revealed by two peaks in the distribution statistics with a distance of about half the wavelength of the trapping laser. We calculated intensity normalized trapping stiffness of 36 pN•μm-1W-1. These results are compared to previous work of microparticle trapping and discussed thanks to numerical simulations based on finite element method.

Paper Details

Date Published: 17 September 2014
PDF: 9 pages
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916430 (17 September 2014); doi: 10.1117/12.2061623
Show Author Affiliations
Jean-Baptiste Decombe, Institut Néel, CNRS, Univ. Grenoble Alpes (France)
Géraldine Dantelle, Institut Néel, CNRS, Univ. Grenoble Alpes (France)
Physique de la Matière Condensée, CNRS, Ecole Polytechnique (France)
Thierry Gacoin, Physique de la Matière Condensée, CNRS, Ecole Polytechnique (France)
Francisco J. Valdivia-Valero, Lab. Interdisciplinaire Carnot de Bourgogne, CNRS, Univ. de Bourgogne (France)
Gérard Colas des Francs, Lab. Interdisciplinaire Carnot de Bourgogne, CNRS, Univ. de Bourgogne (France)
Serge Huant, Institut Néel, CNRS, Univ. Grenoble Alpes (France)
Jochen Fick, Institut Néel, CNRS, Univ. Grenoble Alpes (France)


Published in SPIE Proceedings Vol. 9164:
Optical Trapping and Optical Micromanipulation XI
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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