New design for 'optical ruler' could revolutionize clocks, telescopes, telecommunications
Monday, June 22, 2020 - 20:20
in Physics & Chemistry
Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined frequencies, can be used to measure the colors of light waves with great precision.