Formation of one-dimensional optically bound structures of polystyrene particles near the surface

Oto Brzobohatý; Vítězslav Karásek; Pavel Zemánek; Tomáš Čižmár; Kishan Dholakia

doi:10.1117/12.860364

27 August 2010 Formation of one-dimensional optically bound structures of polystyrene particles near the surface

Oto Brzobohatý, Vítězslav Karásek, Pavel Zemánek, Tomáš Čižmár, Kishan Dholakia

Proceedings Volume 7762, Optical Trapping and Optical Micromanipulation VII; 776212 (2010) https://doi.org/10.1117/12.860364
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

We studied experimentally and theoretically the formation of one-dimensional optically bound structures of polystyrene particles placed near the surface. These structures were created as the result of the illumination of a colloidal suspension by relatively wide Gaussian beam (beam waist 20 μm and wavelength 532 nm) that was reflected backwards with a tiny tilt with respect to the incident beam. We have measured quantitatively the binding forces between individual particles and compared the experimental results with the theoretical simulations based on the coupled dipole method (CDM).

Citation Download Citation

Oto Brzobohatý, Vítězslav Karásek, Pavel Zemánek, Tomáš Čižmár, and Kishan Dholakia "Formation of one-dimensional optically bound structures of polystyrene particles near the surface", Proc. SPIE 7762, Optical Trapping and Optical Micromanipulation VII, 776212 (27 August 2010); https://doi.org/10.1117/12.860364

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