Applications of Lasers in Science and Technology
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Questions and Answers

What makes lasers a very useful source for spectroscopy?

  • The high purity of laser light and the high intensity of light that can be achieved in a small, well collimated beam (correct)
  • The capability to make possible the Lunar Laser Ranging Experiment by reflecting laser beams through retroreflector arrays on the Moon
  • The ability to induce rain and lightning storms using high energy lasers
  • The ability to eliminate fumes generated by conventional paint coatings during the heat-treating process with CO2 laser beams
  • What is crucial to the success of a heat treatment operation using lasers?

  • The generation of retroreflector arrays on the Moon for the Lunar Laser Ranging Experiment
  • The ability to induce rain and lightning storms using high energy lasers
  • The ability to eliminate fumes generated by conventional paint coatings during the heat-treating process with CO2 laser beams
  • Control of the laser beam irradiance on the part surface (correct)
  • What is the purpose of the retroreflector arrays planted on the Moon by the Apollo astronauts?

  • To make possible the Lunar Laser Ranging Experiment (correct)
  • To improve the purity of laser light used in spectroscopy
  • To eliminate fumes generated by conventional paint coatings during the heat-treating process with CO2 laser beams
  • To induce rain and lightning storms using high energy lasers
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