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Phonon lasers unlock ultrabroadband acoustic frequency combs
- February 20, 2026 at 2:00 PM
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Acoustic frequency combs organize sound or mechanical vibrations into a series of evenly spaced frequencies, much like the teeth on a comb. They are the acoustic counterparts of optical frequency combs, which consist of equally spaced spectral lines and act as extraordinarily precise rulers for measuring light.
Originally published at Phys.org