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Conferences > CLEO > 2010 > CWM > CWM2

Real-time high-sensitivity sensing of liquid films in microfluidic channels with optofluidic microresonators

M. Grad, C. C. Tsai, M. Yu, D. L. Kwong, C. W. Wong, and D. Attinger

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Abstract

We demonstrate integrated optical ring resonators as time-resolved sensors with 3.2×10−5 refractive index unit sensitivity embedded in microfluidic channels. Furthermore, we report the chip-scale detection of segmented flow with different liquid-film thicknesses and capillary numbers.

© 2010 Optical Society of America

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