论文标题
通过热灯测量悬浮的纳米颗粒的运动加热
Measurement of the motional heating of a levitated nanoparticle by thermal light
论文作者
论文摘要
我们报告了光子诱导的二氧化硅纳米球加热在真空中通过超亮二极管形成的热光源在真空中悬浮的加热。沿三个陷阱轴的纳米球运动的加热是根据气压和两个粒径的函数测量的。还将加热速率与激光悬浮时同一球体的加热速率更低。我们发现测得的陷阱加热速率由热光子后坐力预期的更大的加热速率主导。
We report on measurements of photon induced heating of silica nanospheres levitated in vacuum by a thermal light source formed by a superluminescent diode. Heating of the nanospheres motion along the three trap axes was measured as a function of gas pressure and for two particle sizes. Heating rates were also compared with the much lower reheating of the same sphere when levitated by a laser. We find the measured trap heating rates are dominated by the much larger heating rates expected from the recoil of thermal photons.
