Physicists demonstrate transfer of ultraprecise time signals over a wireless optical channel
Wednesday, May 1, 2013 - 14:30
in Physics & Chemistry
By bouncing eye-safe laser pulses off a mirror on a hillside, researchers at the National Institute of Standards and Technology (NIST) have transferred ultraprecise time signals through open air with unprecedented precision equivalent to the "ticking" of the world's best next-generation atomic clocks.