Tip Fiber-Optic Intermodal Interferometer for Refractive Index Sensing Lopez-Dieguez, Yanelis ; Estudillo-Ayala, Julian M. ; Jauregui-Vazquez, Daniel ; Herrera-Piad, Luis A. ; Sierra-Hernandez, Juan M. ; Hernandez-Garcia, Juan C. ; Bienchetti, Marco ; Reyes-Ayona, Jose R. ; Rojas-Laguna, Roberto Abstract Publication: IEEE Photonics Technology Letters Pub Date: January 2018 DOI: 10.1109/LPT.2017.2771409 Bibcode: 2018IPTL...30...15L