Users of iPhone 12 and later may have noticed the black dot near the lens. This is the LiDAR sensor that emits lasers and is ...

An at-home laser hair removal device actually can help reduce the number of hairs that grow on you by damaging the follicle ...

We suspect there are three kinds of people in the world. People who have access to a Michelson Interferometer and are glad, those who don’t have one and don’t know what one is, and a ...

Abstract: A high-sensitivity optical fiber temperature sensor based on the vernier sampling of tunable laser was proposed. The sensor contains only one fiber Sagnac interferometer (FSI), and the ...