Samsung Galaxy Watch 8 gets Antioxidant Index feature to track carotenoid levels, here’s how

Samsung Galaxy Watch 8 now includes an Antioxidant Index feature that can measure carotenoid levels in the body through a ...
IEEE

High Sensitive Refractive Index Sensor Based on Helical Long-Period Fiber Gratings Inscribed in Y-Shaped Triangular Core Fiber

Abstract: We demonstrate a surrounding refractive index (SRI) sensor based on helical long-period fiber grating inscribed in Y-shaped triangular core fiber. The maximum SRI sensitivity is −9026 nm/RIU ...