A unique resonance mode observed in a prism-coupled micro-tube resonator sensor with superior index sensitivity.

@article{Ling2007AUR,
  title={A unique resonance mode observed in a prism-coupled micro-tube resonator sensor with superior index sensitivity.},
  author={Tao Ling and L. Jay Guo},
  journal={Optics express},
  year={2007},
  volume={15 25},
  pages={17424-32}
}
Silica micro-tube resonators were studied by using a prism-coupled method and act as refractive index sensing elements. Two types of refractive index sensing modes were observed experimentally by tuning the incident angles in the prism-coupled configuration. The resonance mode with sensitivity below 100nm/RIU is a result of the typical evanescent wave interaction with the fluid, while the mode with record high sensitivity of ~ 600nm/RIU is a form of non-evanescent wave with high optical field… CONTINUE READING
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