Department of Chemistry, University of Aarhus, DK-8000 Aarhus C, Denmark, Danish Polymer Center, Risø National Laboratory, DK-4000 Roskilde, Denmark, School of Chemistry, University of Leeds, Leeds ...
Abstract: The conventional single-angle tilted fiber Bragg grating (TFBG) can only excite a certain range of cladding modes, limiting it for refractive index (RI) measurement in a wide range. In this ...