4D optical multibeam manipulation

Jesper Gluckstad

doi:10.1117/12.603345

28 March 2005 4D optical multibeam manipulation

Jesper Gluckstad

Proceedings Volume 5816, Optical Pattern Recognition XVI; (2005) https://doi.org/10.1117/12.603345
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

The Generalized Phase Contrast (GPC) method enables virtually loss free conversion of spatial phase patterns to highly efficient light intensity distributions. The GPC-method has been used in a number of applications requiring parallel light-beam encoding such as in advanced user-controlled optical micro-manipulation, wavefront sensing and generation for common-path interferometry and adaptive optics, optical phase-only encryption and integrated micro-optical implementations. In this work, we will outline the concept for a GPC-platform for advanced and user-interactive manipulation of fluid-borne colloidal structures with state-of-the-art controllability and versatility. Real-time reconfigurable light patterns with sub-micron accuracy are obtained from a direct map of phase patterns addressed on a programmable phase-only spatial light modulator device. A graphical user interface enables real-time, interactive and arbitrary control over the dynamics and geometry of synthesized light patterns. Arrays of GPC-generated counterpropagating light fields provides for multi-particle trapping and manipulation in three dimensions by incorporating a spatially-addressable polarization modulator where individual relative strengths of orthogonally-polarized beam-pairs are independently adjustable. The result is a system with fully independent control of a plurality of particles throughout all spatial dimensions and in real time, hence 4D optical multi-beam manipulation.

Citation Download Citation

Jesper Gluckstad "4D optical multibeam manipulation", Proc. SPIE 5816, Optical Pattern Recognition XVI, (28 March 2005); https://doi.org/10.1117/12.603345

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