Optical fabrication and trapping of superconducting nanoparticles in superfluid helium (Conference Presentation)

Masaaki Ashida; Yosuke Minowa; Mitsutaka Kumakura; Yuta Takahashi; Fusakazu Matsushima; Yoshiki Moriwaki

doi:10.1117/12.2273278

25 September 2017 Optical fabrication and trapping of superconducting nanoparticles in superfluid helium (Conference Presentation)

Masaaki Ashida, Yosuke Minowa, Mitsutaka Kumakura, Yuta Takahashi, Fusakazu Matsushima, Yoshiki Moriwaki

Author Affiliations +

Proceedings Volume 10347, Optical Trapping and Optical Micromanipulation XIV; 103471X (2017) https://doi.org/10.1117/12.2273278
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

Abstract

Superfluid helium having extremely low temperature, negligibly small viscosity, and huge thermal conductivity provides us a unique opportunity to generate a novel cryogenic space for the fabrication of nanostructures and the manipulation of their motion. Here we fabricated metallic nano- and micro-particles by laser ablation in superfluid helium and selectively trapped superconducting particles with a quadrupole magnetic field utilizing perfect diamagnetism caused by Meissner effect. We also discuss the size dependence of the superconducting transition temperatures of the trapped metallic particles by changing the temperature of liquid helium.

Conference Presentation

Citation Download Citation

Masaaki Ashida, Yosuke Minowa, Mitsutaka Kumakura, Yuta Takahashi, Fusakazu Matsushima, and Yoshiki Moriwaki "Optical fabrication and trapping of superconducting nanoparticles in superfluid helium (Conference Presentation)", Proc. SPIE 10347, Optical Trapping and Optical Micromanipulation XIV, 103471X (25 September 2017); https://doi.org/10.1117/12.2273278

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