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Laser beam bouncing off a silicon crystal

Laser beam bouncing off a silicon crystal

T215/0091

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Credit

DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY

Caption

A laser beam bounces off the surface of a silicon crystal to simulate an Advanced Photon Source (APS) X-ray. The APS will produce X-ray beams 10,000 times brighter than those from existing sources. It will accelerate positrons to energies greater than 7 GeV (Giga-electronvolts). Moving at nearly the speed of light, the positron beam will be bent by magnets into a circular path about 400 metres in diameter. Arrays of powerful magnets called "wigglers" and "undulators" will vibrate the beam, creating tightly focused X-rays which can be tuned to different energies and used to reveal atomic and molecular structure in great detail.

Release details

Model release not available. Property release not required.

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