论文信息 - Ultra-sensitive photonic crystal fiber refractive index sensor

Ultra-sensitive photonic crystal fiber refractive index sensor

We introduce a refractive index sensing geometry exploiting modes beyond cutoff in a selectively infiltrated PCF. We demonstrate a detection limit of 4.6×10−7 RIU and sensitivity of 30,100nm/RIU, a one-order-of-magnitude improvement over previous PCF sensors.

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