OSLON® P1616 Infrared Emitters OSRAM Opto Semiconductors OSLON® P1616 Infrared (IR) Emitters are double stack emitters that feature an IR light source. These infrared emitters are designed to provide high power and high efficiency. The P1616 IR emitters are available with 850nm and 940nm centroid wavelengths with a clear silicone package. These IR emitters operate within a temperature range of -40°C to 105°C.