Harvard researchers built a racetrack-shaped quantum cascade laser that makes bright, stable, mid-infrared frequency combs on ...
Menlo's optical frequency combs are a core component of optical clocks, such as this one at JILA. (Courtesy: GE Marti/JILA) This year marks the 20th anniversary of the first time an optical-frequency ...
The safety of wind turbines can be severely compromised by resonance between wind turbine towers and rotors. Traditional methods for measuring the natural frequency of wind turbine towers require ...
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