Tag Archives: Optics

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

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Strobing Light Shapes Atomic Array

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

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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Twinkle, Twinkle, Star No More

New forecasting approaches could help users of ground-based telescopes predict when the atmosphere will most blur incoming light, allowing them to better remove the effect. Continue reading

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A Tiny Photonic Nose Captures Odor Fingerprints

A bio-inspired detector the size of a US penny can identify the unique odor profiles of different gases, something that could help in detecting food freshness and product counterfeits and in designing new cosmetics. Continue reading

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Curved Light Channels Have Better Coupling

More frequencies of light can pass between two coupled wavy waveguides than between two coupled straight ones, something that could allow for more flexible designs of optics-based circuits on silicon chips. Continue reading

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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

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Unpolarized Light Could Separate Chiral Molecules

Numerical simulations suggest that unpolarized light with a twisted phase could help sort left- and right-handed molecules into separate ring-shaped traps. Continue reading

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Laser Breaks Liquid into Uniform Droplets

A laser beam hitting a column of liquid controls the droplet pinch-off at the bottom of the stream. Continue reading

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Ricocheting Waves Pinpoint an Object’s Location

An echo chamber captures small-scale information about an object without the need for up-close probing. Read more in APS Physics…

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