News tagged with optical frequency

Quantum leap for phonon lasers

Physicists have taken major step forward in the development of practical phonon lasers, which emit sound in much the same way that optical lasers emit light. The development should lead to new, high-resolution ...

Feb 22, 2010
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Super-massive black hole inflates giant bubble

Like symbiotic species, a galaxy and its central black hole lead intimately connected lives. The details of this relationship still pose many puzzles for astronomers. Some black holes actively accrete matter. ...

Oct 29, 2012
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Using lasers to cool and manipulate molecules

( -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells "This has been very useful for both basic science and many applications. Recent ...

Dec 07, 2009 feature
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