Perfect mirror debuts

Perfect mirror debuts

Material that reflects light without letting any escape could improve lasers

By Andrew Grant, 17:55 PM July 10, 2013

A new type of mirror that reflects light perfectly has been constructed, a feat many scientists thought wasn’t possible. The mirror could find its way into powerful lasers and other devices.

Modern technology relies on trapping light and shuttling it around, whether to carry data over the Internet or to play a DVD. Engineers prevent light from escaping by directing it to bounce off reflective materials, but there are drawbacks to that process. Many mirrors absorb, rather than reflect, some of ...

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