Simultaneous frequency conversion and beam shaping for optical-tweezers applications

Author: Molina-Terriza Gabriel   Torner Lluis   Minardi Stefano   Trapani Paolo Di  

Publisher: Taylor & Francis Ltd

ISSN: 1362-3044

Source: Journal of Modern Optics, Vol.50, Iss.10, 2003-01, pp. : 1563-1572

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Abstract

We review a method which allows the simultaneous frequency-conversion and shaping of a light beam into a variety of patterns. The method is based on the controllable dynamics of vortices nested in the light beams. We outline the theoretical idea behind the technique and discuss experimental observations conducted in SH generation in lithium triborate which demonstrate its feasibility. The technique might find applications in specialized optical tweezers aimed at the wavelength-optimized assembly, fabrication and manipulation of complex microstructures and nanostructures.