Multiple Optical Trapping by Means of Diffractive Optical Elements
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- Cojoc Dan
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra Research Center for Optoelectronics, ‘Politehnica’ University of Bucharest
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- Emiliani Valentina
- Institut Jacques Monod, UMR 7592, CNRS, Univeristé P6/P7
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- Ferrari Enrico
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra
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- Malureanu Radu
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra
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- Cabrini Stefano
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra
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- Proietti Remo Zaccaria
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra
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- Di Fabrizio Enzo
- LILIT Beamline, National Nanotechnology Laboratory-TASC, Istituto Nazionale per la Fisica della Materia (INFM) at Elettra
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In this paper we report multiple optical trapping of microscopic dielectric particles using diffractive optical elements implemented on twisted nematic liquid crystal spatial light modulators. The particles are trapped in arrays disposed in plane or in volume and can be moved independently in x-y-z by changing the configuration of the diffractive optical element. We show also multiple trapping using Laguerre-Gaussian and Gaussian beams simultaneously. The orbital angular momentum of the Laguerre-Gaussian beam is transferred to the particle, making it to move on a circular trajectory defined by the intensity pattern specific to this beam. We use sample cells built with two microscope slides separated by 120 μm with a sticky tape. The space between the two slides is filled with 2 μm diameter silica spheres diluted in water (concentration 0.026% wt). We show that optical trapping is also possible in a small glass capillary with a diameter of 100 μm.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 43 (6B), 3910-3915, 2004
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390001206263868160
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- NII論文ID
- 10013276172
- 30021854968
- 130004532308
- 210000055807
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
- http://id.crossref.org/issn/13474065
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- NDL書誌ID
- 6996682
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可