Optical trapping of silicon nanoparticles in superfluid helium

被引：0
|
作者：
Minowa, Yosuke [1 ,2 ]
Yasui, Yuki [1 ]
Ashida, Masaaki [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, 1-3 Machikaneyama Cho, Toyonaka, Osaka 5608531, Japan
[2] JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, Japan
来源：
OPTICAL MANIPULATION AND STRUCTURED MATERIALS CONFERENCE (OMC 2022) | 2022年 / 12479卷
关键词：
Optical trapping; laser ablation; superfluid helium;
D O I：
10.1117/12.2658792
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrated the optical trapping of silicon nanoparticles in superfluid helium. The silicon nanoparticles were produced via in-situ laser ablation in superfluid helium. The dispersed nanoparticles were optically trapped using near-infrared laser light. With the combination of semiconductor material and the wavelength of 1.5 mu m, we can strongly suppress the heat generation in superfluid helium. The thermally stable situation provides us with an important platform for studying the fundamental properties of superfluid helium with the aid of the optical manipulation technique.
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页数：2
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