Lumileds’ LUXEON IR Domed Asymmetric emitter matches field-of-view to surveillance camera sensors

Lumileds LLC of San Jose, CA, USA has announced the latest addition to its LUXEON IR Family, the LUXEON IR Domed Asymmetric, that matches the field-of-view (FoV) aspect ratio of typical cameras used in surveillance, machine vision and time-of-flight systems. The 95 x 58° design is said to dramatically improve image uniformity.

“The asymmetric dome targets long-range applications such as professional surveillance and machine vision systems as well as time-of-flight applications that rely on image uniformity across an entire field,” says Wouter Schrama, senior product manager IR Products. “By matching the sensor’s aspect ratio, we get the highest utilization of light by uniformly matching the FoV of the camera. This increases system efficiency and offers a path to lower system cost and better performance.”

The LUXEON IR Domed Asymmetric delivers what is said to be state-of-the-art radiant power of 1350mW at 850nm and 1450mW at 940nm. The emitters are offered in a 3.7mm x 3.7mm package with standard 3-pad configuration for direct upgrade of existing circuit board designs. Component quality is ensured by use of the highest-quality silicone dome, gold-finished solder pads and gold-based bond wires for corrosion resistance. The ceramic package utilizes what is claimed to be the industry’s lowest-thermal-resistance substrate (2.5°C/W) for rapid removal of heat, smaller optics and more compact camera designs.

Lumileds has lifetime information including L70 data available for its LUXEON IR Family.

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