Lumileds has introduced a family of high power infrared (IR) emitters at 850 and 940nm. “The 850nm emitter is the workhorse for most cameras, including CCTV, because of its high system efficiency,” said the firm. “However, a known drawback for all 850nm emitters in the industry is its susceptibility to interference from sunlight and its reddish ...
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from Electronics Weekly https://www.electronicsweekly.com/blogs/led-luminaries/lumileds-high-power-infra-red-emitters-2017-08/
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