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IRED increases output by 70 per cent

Posted: 22 Apr 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Infrared light emitting diodes? Oslon Black?

Osram Opto Semiconductors reported a 70 per cent increase in the output of its infrared Oslon Black family of devices (SFH 4715AS/SFH 4716AS).

The increase in output of the SFH 4715AS and SFH 4716AS devices has been achieved by combining the latest chip design with an optimised package and the Nanostack technology, in which each chip has two emission centres. Depending on the type of external optics and the particular application, the infrared light emitting diodes (IREDs) can provide illumination over a distance of more than 100m, which make them even better light sources for many camera-based applications.

Oslon Black

Thanks to the high optical output of 1.37W at 1A the new IR Oslon Black versions claim to be the most powerful IREDs yet from Osram Opto Semiconductors. The reasons for the increase in output of over 70 per cent compared with the standard version include the use of the latest generation of chips, an optimised package design and, most importantly, Nanostack technology which means that each chip has two emission centres.

"After only a brief interval we are now presenting the same component with further improved output. The new Oslon Black Stack generates more light and can therefore provide even better illumination over large distances than the previous versions," explained Dr. J?rg Heerlein, Marketing Infrared at Osram Opto Semiconductors.

The power IREDs are the preferred light sources for surveillance cameras. Depending on the type of camera and the number of integrated IREDs, distances of more than 100m can be illuminated with infrared light. In addition to their main application in surveillance cameras, the IREDs are also suitable for many other industrial camera based applications such as 3D process control cameras to determine the distance from an object by measuring the propagation time.

The package dimensions of the Oslon Black Stack remain unchanged at 3.85mm x 3.85mm x 2.2mm or 1.51mm. There is also still a choice between beam angles of 90 and 150 degrees for the new components, which means that replacement is straightforward.

- Paul Buckley
??EE Times Europe

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