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2009 14th OptoElectronics and Communications Conference
We propose a microfluidic refractive index sensor based on new polymer twin-core photonic bandgap fiber (PBGF). The sensor can achieve ultrahigh detection limit, i.e. >1.4×10 -7 RIU refractive index unit (RIU), by measuring the coupling wavelength shift.doi:10.1109/oecc.2009.5219053 fatcat:2xefgzm3argstpearmzmtrk4bi