Title :
Detecting and measuring single viruses and nanoparticles with an optical microresonator
Author :
Zhu, Jiangang ; Ozdemir, Sahin Kaya ; He, Lina ; Chen, Da-Ren ; Yang, Lan
Author_Institution :
Dept. of Electr. & Syst. Eng., Washington Univ., St. Louis, MO, USA
Abstract :
We show that adsorption of individual viruses and nanoparticles leads to discrete changes in the mode splitting spectra of a whispering-gallery-mode (WGM) microcavity, which enables a single nanoparticle spectrometry scheme to measure each particle.
Keywords :
micro-optics; micromechanical resonators; optical sensors; whispering gallery modes; adsorption; individual viruses; microcavity; mode splitting spectra; nanoparticles; optical microresonator; single viruses; spectrometry; whispering gallery mode; Atmospheric measurements; Nanoparticles; Optical resonators; Optical sensors; Particle measurements; Resonant frequency; Size measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
