New design for 'optical ruler' could revolutionize clocks, telescopes, telecommunications
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.
from Latest Science News -- ScienceDaily https://ift.tt/3dlbw2x
from Latest Science News -- ScienceDaily https://ift.tt/3dlbw2x
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