[time-nuts] Using lasers for data transmission
Mark Sims
holrum at hotmail.com
Sun May 1 12:48:41 EDT 2016
There are "eye-safe" wavelengths that some laser diodes can operate at (generally greater than 1300 nm). These are much less prone to damage eyes. Basically your eyeball juice blocks the wavelength. Still, there is some potential for cornea and lens damage at higher powers.
http://www.laserfocusworld.com/articles/2008/03/photonic-frontiers-eye-safe-lasers-retina-safe-wavelengths-benefit-open-air-applications.html
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