‘Most powerful’ infra-red LEDs
LED Engin has announced a quad die infra-red LED emitting 4.5W of flux, from 850nm and 940nm variants. “The four die parts are the world’s most powerful IR emitters,” said the firm, which has also released some deep red emitters. Called LZ4, the IR LEDs have a 7x7mm footprint and the firm’s dual-junction emitters. Heat …