Tag Archives: Lasers

High-Resolution Wind Detection

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

Posted in APS Physics | Tagged , , | Leave a comment

A Salt-Based Laser Color Converter

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

Posted in APS Physics | Tagged , , | Leave a comment

Interaction Detection with Attosecond Perfection

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

Posted in APS Physics | Tagged , , , | Leave a comment

Strobing Light Shapes Atomic Array

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

Posted in APS Physics | Tagged , , , | Leave a comment

New Cavity Design Soaks Up More Rays

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

Posted in APS Physics | Tagged , , | Leave a comment

Mirror Image Pinpoints a Nanoparticle’s Position

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

Posted in APS Physics | Tagged , , , | Leave a comment

Femtosecond Probe Catches Electrons Relaxing

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

Posted in APS Physics | Tagged , , | Leave a comment

Taking the twinkle out of stars

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

Posted in SPIE News, SPIE Professional | Tagged , , , , | Leave a comment

Lab experiments mimic the origin and growth of astrophysical magnetic fields

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

Posted in Physics Today | Tagged , , , , | Leave a comment

Ship shape

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…

Posted in Europa Science | Tagged , , | Leave a comment