Can Lidars Zap Camera Chips?


Lidar wavelengths deemed safe for human eyeballs might imperil digital camera sensors

Laser safety rules designed to protect human eyes have shaped the design of automotive lidars. Safety rules limit the current generation of lidars, emitting invisible infrared light near 900 nanometers, to pulse powers so low they limit their measurement range to 60 or 100 meters, too short a distance for cars moving at highway speed to stop in time to avoid a collision.

Moving to a longer wavelength that does not penetrate the human eye allows new lidars to fire more powerful pulses and stretch their


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