Everything you ever wanted to know about measuring refractive indices with optical fibres! Did you know that there were over 1000 papers published on that topic in the last 15 years? We read them all!
The review article introduces common performance metrics for these sensors, compares and ranks the many different designs, and then provides guidelines for building better refractive index sensors.
This was a major portion of Deniz’ PhD thesis and a huge tour-de-force!