Related topics: light · physical review letters

Predicting earthquakes and tsunamis with fiber-optic networks

Geophysicists at ETH Zurich have shown that every single wave of a magnitude 3.9 earthquake registers in the noise suppression system of fiber-optic networks. This method, now published in Scientific Reports, can be used ...

High-power fiber lasers emerge as a pioneering technology

Optical scientists have found a new way to significantly increase the power of fiber lasers while maintaining their beam quality, making them a future key defense technology against low-cost drones and for use in other applications ...

Chaos Raman distributed optical fiber sensing

The timeliness and accuracy of detection technology is directly related to the safety of people's lives and property. In the application of this technology, temperature is a physical quantity that must to be focused on. Compared ...

Light and sound waves reveal negative pressure

Negative pressure is a rare and challenging-to-detect phenomenon in physics. Using liquid-filled optical fibers and sound waves, researchers at the Max Planck Institute for the Science of Light (MPL) in Erlangen have now ...

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