| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 5, 2010
|
|
|---|---|---|
| Article Number | 10037s | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2010.10037s | |
| Published online | 01 September 2010 | |
Regular papers
Volumetric multiple optical traps produced by Devil’s lenses
1
Departamento de Óptica, Universitat de València, E-46100 Burjassot, Spain
2
Instituto de Matemática Pura y Aplicada, Universidad Politécnica de Valencia, E-46022, Valencia, Spain
3
Centro de Tecnologías Físicas, Universidad Politécnica de Valencia, E-46022 Valencia, Spain
Received:
29
January
2010
We propose the use of a new diffractive optical element coined Devil’s Vortex-Lens (DVL) to produce optical tweezers. In its more general form it results as the combination of a Devil’s lens and a helical vortex phase mask. It is shown that under monochromatic illumination a DVL generates a focal volume with several concatenated doughnut modes that are axially distributed according to the self-similarity of the lens. The orbital angular momentum associated to each link in the chain is investigated.
Key words: optical trapping / optical vortices / vortex lenses
© The Author(s) 2010. All rights reserved.
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