Volumetric multiple optical traps produced by Devil’s lenses Walter D. Furlan, Fernando Giménez, Arnau Calatayud, Laura Remón and Juan A. Monsoriu J. Eur. Opt. Soc.-Rapid Publ., 5 (2010) 10037s Published online: 01 September 2010 DOI: 10.2971/jeos.2010.10037s