Optical trapping of Poly(N-isopropylacrylamide) gel particles using metallic nanostructures

Maho Kubota; Miyako Iida; Sayaka Hashimoto; Tatsuya Shoji; Yasuyuki Tsuboi

doi:10.1117/12.2616000

27 October 2021 Optical trapping of Poly(N-isopropylacrylamide) gel particles using metallic nanostructures

Maho Kubota, Miyako Iida, Sayaka Hashimoto, Tatsuya Shoji, Yasuyuki Tsuboi

Proceedings Volume 11926, Optical Manipulation and Structured Materials Conference 2021; 1192607 (2021) https://doi.org/10.1117/12.2616000
Event: SPIE Technologies and Applications of Structured Light, 2021, Online, Japan

Abstract

We have succeeded in developing a new optical tweezers using nanostructured titanium crystals as an alternative to plasmonic optical tweezers. We investigated the optical trapping of gel particles using this method. When a laser beam was irradiated to the crystal, fluorescent gel particles were immediately trapped at the irradiation area. Furthermore, fluorescence spectroscopy analysis showed that fluorescence intensity increased upon trapping. In this way, we succeeded in developing a new optical tweezer with equivalent performance to plasmonic optical tweezers.

Citation Download Citation

Maho Kubota, Miyako Iida, Sayaka Hashimoto, Tatsuya Shoji, and Yasuyuki Tsuboi "Optical trapping of Poly(N-isopropylacrylamide) gel particles using metallic nanostructures", Proc. SPIE 11926, Optical Manipulation and Structured Materials Conference 2021, 1192607 (27 October 2021); https://doi.org/10.1117/12.2616000

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