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Infrared Light Emitting Diodes (IRED) for Near Infrared, NIR (950 nm-1.4 µm)

Excelitas' Infrared Emitting Diodes (IRED) are typically used in conjunction with our detectors to form a sensing system. IREDs with wavelengths 770 nm, 870 nm 880 nm, 940 nm, and 950 nm are offered for applications like Smoke Detection, Encoders, Transmissive and Reflective Optoswitches.

LEDs are solid state p-n junction devices which emit light when forward biased. An LED is a Light Emitting Diode, a generic term. An IRED is an Infrared Emitting Diode, a term specifically applied to Excelitas IR emitters. Unlike incandescent lamps which emit light over a very broad range of wavelengths, LEDs emit light over such a narrow bandwidth that they appear to be emitting a single “color”. Their small size, long operating lifetimes, low power consumption, compatibility with solid state drive circuitry, and relatively low cost, make LEDs the preferred light source in many applications.