Hybrid optical and acoustic force based sorting

Paul O'Mahoney; Graham W. Brodie; Han Wang; Christine E. M. Demore; Sandy Cochran; Gabriel C. Spalding; Michael P. MacDonald

doi:10.1117/12.2064276

16 September 2014 Hybrid optical and acoustic force based sorting

Paul O'Mahoney, Graham W. Brodie, Han Wang, Christine E. M. Demore, Sandy Cochran, Gabriel C. Spalding, Michael P. MacDonald

Author Affiliations +

Proceedings Volume 9164, Optical Trapping and Optical Micromanipulation XI; 916421 (2014) https://doi.org/10.1117/12.2064276
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

We report the combined use of optical sorting and acoustic levitation to give particle sorting. Differing sizes of microparticles are sorted optically both with and without the aid of acoustic levitation, and the results compared to show that the use of acoustic trapping can increase sorting efficiency. The use of a transparent ultrasonic transducer is also shown to streamline the integration of optics and acoustics. We also demonstrate the balance of optical radiation pressure and acoustic levitation to achieve vertical sorting.

Citation Download Citation

Paul O'Mahoney, Graham W. Brodie, Han Wang, Christine E. M. Demore, Sandy Cochran, Gabriel C. Spalding, and Michael P. MacDonald "Hybrid optical and acoustic force based sorting", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916421 (16 September 2014); https://doi.org/10.1117/12.2064276

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