Lock-in Thermography Using Diamond Quantum Sensors

被引:2
|
作者
Ogawa, Kensuke [1 ]
Tsukamoto, Moeta [1 ]
Sasaki, Kento [1 ]
Kobayashi, Kensuke [1 ,2 ,3 ]
机构
[1] Univ Tokyo, Dept Phys, Bunkyo, Tokyo 1130033, Japan
[2] Univ Tokyo, Inst Phys Intelligence, Bunkyo, Tokyo 1130033, Japan
[3] Univ Tokyo, Transscale Quantum Sci Inst, Bunkyo, Tokyo 1130033, Japan
基金
日本学术振兴会;
关键词
THERMOMETRY;
D O I
10.7566/JPSJ.92.014002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Precise measurement of temperature distribution and thermal behavior in microscopic regions is critical in many research fields. We demonstrate lock-in thermography using nitrogen-vacancy centers in diamond nanoparticles. We successfully visualize thermal diffusion in glass coverslip and Teflon with micrometer resolution and deduce their thermal diffusivity. By spreading diamond nanoparticles over the sample surface, temperature variation can be measured directly without any physical contact, such as lead wires, making it possible to visualize the micrometer-scale thermal behavior of various materials.
引用
收藏
页数:6
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