24 April 2018 Nanoparticle manipulation using a tapered fiber
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Proceedings Volume 10712, Optical Manipulation Conference; 107120A (2018) https://doi.org/10.1117/12.2319268
Event: SPIE Structured Light, 2018, Yokohama, Japan
We experimentally demonstrated the manipulation and transportation of nano-diamonds with diameters of 50 nm using a thin tapered fiber. When a green laser was injected from one side of the fiber and a near-infrared laser was also injected from the opposite side, nano-diamonds could be stopped on the fiber. When the balanced power for stopping nanodiamonds, we confirmed that the balanced powers were clearly different for fluorescent and non-fluorescent nanodiamonds and that for fluorescent nano-diamonds was smaller than non-fluorescent ones, which could be responsible for the difference in absorption. This result suggested the possibility that the macroscopic motion of nano-materials could be controlled based on their resonant absorption property.
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Hideki Fujiwara, Hideki Fujiwara, Kyosuke Yamauchi, Kyosuke Yamauchi, Keiji Sasaki, Keiji Sasaki, } "Nanoparticle manipulation using a tapered fiber", Proc. SPIE 10712, Optical Manipulation Conference, 107120A (24 April 2018); doi: 10.1117/12.2319268; https://doi.org/10.1117/12.2319268

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