Surface-plasmon-resonance sensor based on three-hole microstructured optical fiber.
We propose a novel surface-plasmon-resonance sensor design based on coating the holes of a three-hole microstructured optical fiber with a low-index dielectric layer on top of which a gold layer is deposited. The use of all three fiber holes and their relatively large size should facilitate the fabrication of the inclusions and the infiltration of the analyte. Our numerical results indicate that the optical loss of the Gaussian guided mode can be made very small by tuning the thickness of the dielectric layer and that the refractive-index resolution for aqueous analytes is 1x 10(-4).
Fiber Optics Group, Department of Micro and Nanosciences, Helsinki University of Technology, P.O.Box 3500, FI-02015 TKK, Finland. markus.hautakorpi@tkk.fi
Markus
M
Hautakorpi
Maija
M
Mattinen
Hanne
H
Ludvigsen
D003198:Computer Simulation; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation*; D008904:Miniaturization; D008962:Models, Theoretical; D055100:Optical Fibers; D055095:Optics and Photonics / Q000295:instrumentation*; D012542:Scattering, Radiation; D020349:Surface Plasmon Resonance / Q000295:instrumentation*; D014159:Transducers