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Q factor

Video: Making laser frequency combs, fast

By Jim Destefani / July 18, 2013

Applications ranging from atomic clocks to medical diagnostics and calibrating astronomy instruments require laser light at various controlled frequencies. That requires frequency combs, which measure different colors of light. Now frequency combs are getting smaller and easier to manufacture thanks to techniques developed by physicists at the National Institute of Standards and Technology (Boulder, Colo.…

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