Abstract: This paper presents a novel, compact, all-fiber multi-parameter sensor based on orthogonal off-axis fiber Bragg gratings (FBGs) inscribed in a few-mode fiber (FMF) using femtosecond laser ...
That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...