Statistical theory of nanoparticle sensing using a whispering-gallery-mode resonator

被引：10
|
作者：
Shen, Yuecheng [1 ]
Chen, Da-Ren [2 ]
Shen, Jung-Tsung [1 ]
机构：
[1] Washington Univ, Dept Elect & Syst Engn, St Louis, MO 63130 USA
[2] Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA
来源：
PHYSICAL REVIEW A | 2012年 / 85卷 / 06期
关键词：
AEROSOLS; NUMBER;
D O I：
10.1103/PhysRevA.85.063808
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that a statistical theory of nanoparticle sensing emerges for the detection systems using a whispering-gallery-mode resonator in the large particle-influx regime. The statistical theory predicts that the number of particles adsorbed onto the resonator is accurately determined by the spectral shift of the center of the transmission spectrum and is independent of the intrinsic dissipations of the particles as well as the angular positions of the particles.
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页数：4
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