Ultra-sensitive Photonic Crystal Fiber Refractive Index Sensor

Darran K. C. Wu; Boris T. Kuhlmey; Benjamin J. Eggleton

doi:10.1364/cleo.2009.cthe1

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JOURNAL ARTICLE

Ultra-sensitive Photonic Crystal Fiber Refractive Index Sensor

Darran K. C. Wu Boris T. Kuhlmey Benjamin J. Eggleton

Year: 2009 Vol: 620 Pages: CThE1-CThE1

DOI: 10.1364/cleo.2009.cthe1

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Abstract

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.

Keywords:

Refractive index Photonic-crystal fiber Sensitivity (control systems) Photonic crystal Materials science Normalized frequency (unit) Optics Optical fiber Optoelectronics Cutoff Limit (mathematics) Physics Mathematics Electronic engineering

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Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Optical Network Technologies

Physical Sciences → Engineering → Electrical and Electronic Engineering

Ultra-sensitive Photonic Crystal Fiber Refractive Index Sensor

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