Lasers

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Lasers

  1. 1. Lasers Hansel
  2. 2. Mechanics <ul><li>Parts </li><ul><li>Excitable material
  3. 3. Energy source
  4. 4. Resonant cavity </li></ul></ul>
  5. 5. Principles <ul><li>Wave nature of light </li></ul><ul><li>Wave Nature of light
  6. 6. Relationship to electrons
  7. 7. A photon can </li><ul><li>Excite an electron
  8. 8. Induce an electron to release a photon </li></ul></ul>
  9. 9. Light from Atoms <ul><li>A photon can </li><ul><li>Excite an electron
  10. 10. Induce an electron to release a photon </li></ul></ul>
  11. 11. Uses <ul><li>Communication </li><ul><li>CDs, fiber optics, etc. </li></ul><li>Precise Energy Delivery </li><ul><li>Surgery, Laser cooling, etc. </li></ul><li>Measurement, imaging, alignment </li><ul><li>Surveying, Interferometry, etc. </li></ul></ul>

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