We demonstrate scatterer-induced mode splitting in Whispering-Gallery-Mode resonators as a new sensing scheme in water. It is used to achieve detecting polystyrene particles of radii 50nm with a similar size as influenza A virus.
© 2011 OSA
W. Kim, S. K. Ozdemir, J. Zhu, L. He, and L. Yang, "Mode Splitting in Whispering-Gallery-Mode Microresonators in Aquatic Environment," in Optics in the Life Sciences, OSA Technical Digest (CD) (Optical Society of America, 2011), paper BMC5.
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