Reflective Long Period Grating Based Refractive Index Sensor
A reflective long period grating (LPG) realized by a simple brush coating method is presented. We measure the refractive index of a solution both in transmission and reflection mode operation and compare their sensitivity coefficients.
Rana, Sohel; Kandadai, Nirmala; and Subbaraman, Harish. (2021). "Reflective Long Period Grating Based Refractive Index Sensor". 2021 IEEE Photonics Conference (IPC), . https://doi.org/10.1109/IPC48725.2021.9592992