Optical micro-assembling of non-spherical particles

Sarah Isabelle Ksouri; Andreas Aumann; Reza Ghadiri; Andreas Ostendorf

doi:10.1117/12.2002315

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5 March 2013 Optical micro-assembling of non-spherical particles

Sarah Isabelle Ksouri, Andreas Aumann, Reza Ghadiri, Andreas Ostendorf

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Proceedings Volume 8637, Complex Light and Optical Forces VII; 86370Z (2013) https://doi.org/10.1117/12.2002315
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Holographic optical tweezers have been developed for the manipulation of polymeric microparticles or biological cells with almost circular shape. As is well known, spherical particles can be trapped and controlled by optical tweezers and assembled with an additional light modulator application. Complementary building blocks, which are used in the following experiments, are generated by a two-photon-polymerization process in micrometer range and are not equipped with spherical trapping points. The possibilities of manufacturing arbitrary building blocks within the 2PP process and the potential of HOTs lead to the idea of combining manufacturing techniques with manipulation processes in a bottomup operation. In this work we present an experimental setup with an integrated fiber laser for holographic optical trapping of non-spherical building blocks. Furthermore experimental requirements which permit trapping will be illustrated.

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Sarah Isabelle Ksouri, Andreas Aumann, Reza Ghadiri, and Andreas Ostendorf "Optical micro-assembling of non-spherical particles", Proc. SPIE 8637, Complex Light and Optical Forces VII, 86370Z (5 March 2013); https://doi.org/10.1117/12.2002315

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