Liquid analytes filling process in suspended-core silica fibers

Liquid filling into silica suspended-core microstructured optical fiber capillaries is studied for the application as a liquid sensor. Liquid analytes with various refractive index are theoretically and experimentally compared with respect to their density, viscosity and repeatable measurement. Maximum filling lengths are derived and their dependence on filling time is analyzed. Degradation effects on suspended-core microstructured optical fiber are observed for particular liquid analytes.