Optical Society of America

The trillion-frame-per-second camera

When a crystal lattice is excited by a laser pulse, waves of jostling atoms can travel through the material at close to one sixth the speed of light, or approximately 28,000 miles/second. Scientists now have a new tool to ...

dateApr 29, 2015 in Optics & Photonics
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Ever tried a 'laser delicious' apple?

The ability to detect when to harvest "climacteric" fruits—such as apples, bananas, pears and tomatoes—at the precise moment to ensure "peak edibleness" in terms of both taste and texture may soon be within reach for ...

dateDec 03, 2014 in Optics & Photonics
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Giving LEDs a cozy, warm glow

When the 2014 Nobel Prize in physics was awarded this October to three Japanese-born scientists for the invention of blue light emitting diodes (LEDs), the prize committee declared LED lamps would light the 21st century. ...

dateNov 19, 2014 in Optics & Photonics
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Supersonic laser-propelled rockets

Scientists and science fiction writers alike have dreamt of aircrafts that are propelled by beams of light rather than conventional fuels. Now, a new method for improving the thrust generated by such laser-propulsion systems ...

dateOct 29, 2014 in Optics & Photonics
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