Tag Archives: Lasers

High-Resolution Wind Detection

Posted on March 3, 2023 by rberkowitz

A phase-modulated lidar system can measure the speed of distant winds at submeter scales, potentially allowing detailed maps of turbulent flows. Continue reading →

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A Salt-Based Laser Color Converter

Posted on January 19, 2023 by rberkowitz

Artificial salts that are liquid at room temperature can be used to efficiently tune the wavelength of a laser source. Continue reading →

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Interaction Detection with Attosecond Perfection

Posted on September 16, 2022 by rberkowitz

Mina Bionta explores how light interacts with matter by capturing snapshots of those interactions on the timescale of the light’s oscillations. Continue reading →

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Strobing Light Shapes Atomic Array

Posted on September 14, 2022 by rberkowitz

An optical tweezer with a stroboscopic twist can trap cold atoms in lattices
of all shapes. Continue reading →

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New Cavity Design Soaks Up More Rays

Posted on August 29, 2022 by rberkowitz

When placed in a lens-and-mirror trap, a weakly absorbing material can capture light from nearly all directions. Continue reading →

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Mirror Image Pinpoints a Nanoparticle’s Position

Posted on June 28, 2022 by rberkowitz

A scattered laser beam’s interaction with itself creates a motion-detection method precise enough to determine whether a trapped particle is in its ground state. Continue reading →

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Femtosecond Probe Catches Electrons Relaxing

Posted on February 11, 2021 by rberkowitz

Pump-probe experiments measure the time it takes for electrons to thermalize and cool after photoexcitation. Continue reading →

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Taking the twinkle out of stars

Posted on July 10, 2018 by rberkowitz

Adaptive optics at Paranal Observatory give satellite-quality images from surface of Earth. Continue reading →

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Lab experiments mimic the origin and growth of astrophysical magnetic fields

Posted on April 1, 2018 by rberkowitz

A turbulent, laser-generated plasma can amplify magnetic fields to cosmic scales. Continue reading →

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Ship shape

Posted on December 22, 2017 by rberkowitz

Welding ship hulls is a relatively new application for laser processing, but one where lasers can add great value.  Read more in Laser Systems Europe…

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