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Contact: Lyndsay Meyer
The Optical Society

An Invisible Waveguide Being Written Via Laser into a Smartphone's Display Glass

Caption: An invisible waveguide (pathway for light) being written via laser into a smartphone's display glass is shown. The waveguide is a horizontal line from the left side of the screen, but it cannot be seen with the naked eye.

Credit: Optics Express

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Related news release: Making smartphones smarter with see-through sensors

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