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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
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
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
Strobing Light Shapes Atomic Array
An optical tweezer with a stroboscopic twist can trap cold atoms in lattices
of all shapes. Continue reading
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
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
Femtosecond Probe Catches Electrons Relaxing
Pump-probe experiments measure the time it takes for electrons to thermalize and cool after photoexcitation. Continue reading
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 Adaptive Optics, Astronomy, Astrophysics, Lasers, SPIE News
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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 Astronomy, Astrophysics, Lasers, Physics, Physics Today
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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…