Electronics: Practical Laser

The remarkable potential of lasers (Light Amplification by Stimulated Emission of Radiation) nurtures many a heady scientific dream. Pure, one-color laser light can be focused down to a microscopic point, hot enough to burn through any material. It can make superaccurate measurements, and properly modulated, it can carry vast amounts of information. It may some day take the place of wires in the innards of computers. But all these promising applications are blocked at present by the built-in problems of existing lasers. Some of them demand costly and cumbersome power supplies; some give light of the wrong wave lengths; others...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!