Title :
Ultra-sensitive photonic crystal fiber refractive index sensor
Author :
Wu, Darran K C ; Kuhlmey, Boris T. ; Eggleton, Benjamin J.
Author_Institution :
Sch. of Phys., Univ. of Sydney, Sydney, NSW, Australia
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 times 10-7 RIU and sensitivity of 30,100 nm/RIU, a one-order-of-magnitude improvement over previous PCF sensors.
Keywords :
biosensors; fibre optic sensors; holey fibres; photonic crystals; refractive index measurement; refractometers; PCF infiltration; in-fiber biosensing; refractive index sensing geometry; ultra-sensitive photonic crystal fiber; Biomedical optical imaging; Biosensors; Optical fiber sensors; Optical interferometry; Optical refraction; Optical sensors; Optical variables control; Optoelectronic and photonic sensors; Photonic crystal fibers; Refractive index; (060.2370) Fiber optics sensors; (060.4005) Microstructured fibers; (060.5295) Photonic crystal fibers;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
