3 ms·
Security cameras use IR illuminating LEDs. At the lab where I work we have video eye-tracking hardware that uses a 4x6 array of IR LEDs to illuminate the subjec
by jonhendry 16y ago
Security cameras use IR illuminating LEDs. At the lab where I work we have video eye-tracking hardware that uses a 4x6 array of IR LEDs to illuminate the subject's eyes.
I don't think it's a problem unless you get into significant intensities, as per a >1 mW laser.