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Laser photon emission, animation

K005/6075

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Credit

RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY

Caption

Laser photon emission. Animation of the atomic basis of the production of photons to form a laser beam. Laser stands for light amplification by the stimulated emission of radiation. The animation shows three atoms being stimulated by an energy source (zig-zag line). This causes electrons in the atoms to absorb some of the energy and move to a higher energy level (changing from green to yellow electron orbitals). When the atoms return to their unexcited state, they emit photons (red and yellow) in a cascading wave. This process is called stimulated emission. Vast numbers of atoms are stimulated in this way in a laser, resulting in a coherent laser beam.

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Downloadable Master

  • Duration: 00:00:10.01
  • Audio: No
  • Format: Photo - JPEG

Original

  • Capture Format: QuickTime Animation
  • Codec: H.264
  • Interlaced: No
  • Frame Size: 1920 x 1080

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