Demonstration of a refractometric sensor based on optical microfiber coil resonator

Fei Xu and Gilberto Brambilla
We experimentally demonstrated a refractometric sensor based on a coated optical microfiber coil resonator. It is robust, compact, and comprises an intrinsic fluidic channel. A sensitivity of about 40 nm/RIU (refractive index unit) has been measured, in agreement with predictions. ... [Appl. Phys. Lett. 92, 101126 (2008)] published Fri Mar 14, 2008.
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