News tagged with laser light

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Measuring tiny forces with light

Photons are bizarre: They have no mass, but they do have momentum. And that allows researchers to do counterintuitive things with photons, such as using light to push matter around.

dateAug 25, 2016 in Optics & Photonics
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Catching proteins in the act

Some of the fastest processes in our body run their course in proteins activated by light. The protein rhodopsin sees to it that our eyes can rapidly take in their ever-changing surroundings. Free-electron X-ray lasers such ...

dateAug 23, 2016 in General Physics
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Getting light in shape with metamaterials

Converting light from one wavelength (or "color") to a shorter wavelength, a process needed for efficient communication and advanced manufacturing, is typically inefficient. To tackle that inefficiency, a team built a specialized, ...

dateJul 27, 2016 in Condensed Matter
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A sharper focus for plasmonic lasers

Lasers have become indispensable to modern life since they were invented more than fifty years ago. The ability to generate and amplify light waves into a coherent, monochromatic and well-focused beam has yielded applications ...

dateJul 06, 2016 in Optics & Photonics
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A little impurity makes nanolasers shine

Scientists at ANU (The Australian National University) have improved the performance of tiny lasers by adding impurities, in a discovery which will be central to the development of low-cost biomedical sensors, quantum computing, ...

dateJul 05, 2016 in Nanophysics
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