(InfraRed remote control) A handheld, wireless device used to operate audio, video and other electronic equipment within a room using light signals in the infrared (IR) range. Infrared light ...

The study authors developed a proof-of-concept device to demonstrate the efficiency and performance of their germanium-based infrared sensor ... in a wide wavelength range,” the study authors ...

IDTechEx describes that the longer an IR sensor’s wavelength, the worse the image resolution, meaning there can be limited dynamic range with IR technology. There is also the question of ...