Fiber-Optic Refractometer Based on an Etched High-Q π-Phase-Shifted Fiber-Bragg-Grating
Article, Other literature type
Ianno, Natale J.
- Publisher: MDPI
Sensors (Basel, Switzerland),
(issn: 1424-8220, eissn: 1424-8220)
fiber gratings | TP1-1185 | optical fiber sensors | Chemical technology | optical resonators | refractive index | Article
We present a compact and highly-sensitive fiber-optic refractometer based on a high-Q p-phase-shifted fiber-Bragg-grating (pFBG) that is chemically etched to the core of the fiber. Due to the p phase-shift, a strong pFBG forms a high-Q optical resonator and the reflecti...