Send to

Choose Destination
See comment in PubMed Commons below
Opt Lett. 2012 Feb 1;37(3):323-5. doi: 10.1364/OL.37.000323.

Reflective fiber-optic refractometer based on a thin-core fiber tailored Bragg grating reflection.

Author information

Department of Physics, Northwest University, Xi’an, Shaanxi, China.


A novel reflective refractometer based on a thin-core fiber (TCF) sandwiched between a leading single-mode fiber (SMF) and a fiber Bragg grating (FBG) imprinted SMF stub was demonstrated. The reflection from the fiber stub occurs in two well-defined wavelength bands, corresponding to the Bragg core mode and cladding modes. The TCF section functions as a tailorable bridge between the FBG core mode reflection and the surrounding refractive index (SRI). Linear response with enhanced sensitivity of 133.26 dB/refractive index unit for temperature-immune SRI measurement within the biologically desirable sensing range of 1.33-1.41 has been achieved via cost-effective power detection.

PubMed Commons home

PubMed Commons

How to join PubMed Commons

    Supplemental Content

    Loading ...
    Support Center