A fiber-coupled LED (light-emitting diode) refers to an LED device that is optically coupled to an optical fiber for the purpose of efficient light transmission. Customers can select from a wide range of LED wavelengths, spanning from Deep UV, UV, Visible, to NIR and SWIR, to meet their specific. Fiber coupled LED modules are used either for light transfer to a required location or to attach a fiber adapter that connects with a a fiber connector of choice. a battery, or a AC/DC power supply etc.