Optical guiding with continuous wave and femtosecond lasers

Helen Little; C. T. A. Brown; Veneranda Garces-Chavez; Wilson Sibbett; Kishan Dholakia

doi:10.1117/12.560591

18 October 2004 Optical guiding with continuous wave and femtosecond lasers

Helen Little, C. T. A. Brown, Veneranda Garces-Chavez, Wilson Sibbett, Kishan Dholakia

Proceedings Volume 5514, Optical Trapping and Optical Micromanipulation; (2004) https://doi.org/10.1117/12.560591
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Optical guiding of microscopic particles in femtosecond and continuous wave Bessel light beams is studied and compared. We confirm that optical guiding is an average power effect and observe no difference in the guiding velocities of non-fluorescing polymer spheres. Furthermore, we observe second harmonic generation of guided KTP crystallites in femtosecond Bessel light beams. This observation opens up the prospect of using multi-photon effects in optical manipulation for applications such as optical identification of guided cells for sorting purposes.

Citation Download Citation

Helen Little, C. T. A. Brown, Veneranda Garces-Chavez, Wilson Sibbett, and Kishan Dholakia "Optical guiding with continuous wave and femtosecond lasers", Proc. SPIE 5514, Optical Trapping and Optical Micromanipulation, (18 October 2004); https://doi.org/10.1117/12.560591

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