26 June 2017 Refractive index effect on aberration correction of optical tweezers
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Abstract
Aberration correction was one of the most important and challenging parts of optical trapping systems. Many works try to overcome aberration which is due to trapping setup itself or refractive index mismatch of glass slab and nanoparticles solutions. In this article, we investigate a new method for aberration correction based on a nonlinear refractive index of materials. With the emitting laser to the trapped particle, the refractive index of the trapping site increases and as a result, its aberration reduce. In accordance, this method offers a simple and low-cost way for increasing trapping stiffness.
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Samaneh Birzhandi, Khosro Madanipour, Shahrzad Shahrabi Farahani, Saeed Ghanbari, "Refractive index effect on aberration correction of optical tweezers", Proc. SPIE 10333, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials III, 103331J (26 June 2017); doi: 10.1117/12.2270154; https://doi.org/10.1117/12.2270154
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