Osram's Dragon Dome provides a focused beam of high-power Infrared LED (IRED) with a range of more than 100 meters. It has a compact design and does not need an external lens. With its wavelength of 850nm, this LED can be used as a light source for security surveillance tasks such as CCTV, the vendor said.
The Dragon Dome SFH 4783 emits its light within a narrow (°”12 degrees) beam angle. From a current of 1A, it achieves a total radiated power of 430 milliwatts (mW), and therefore a radiant intensity of 2.3 watts per steradian (W/sr). At this radiant intensity, the beam of light will have a usable range of more than 100 meters, depending on the sensitivity and field of view of the camera. Radiant intensity is measured in W/sr and indicates the light output within a solid angle segment. The high total radiated power of this IRED is made possible by the thin-film technology, which enables the light to be extracted efficiently from the chip, Osram said.