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What color are the input light and the two outputs

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Reference no: EM132441530

  1. Light at λ = 1.3 µm is introduced into a harmonic generator that absorbs some of the input light and emits it at twice and three times the input frequency. What color are the input light and the two outputs?
  2. An energy of 4.2 Joules will heat a cubic centimeter of water by one degree celsius. Light from a carbon dioxide laser at λ = 10.6 µm is almost completely absorbed by water. How much energy would be required to boil a cup of water that begins at room temperature? How much power would be required to do so in 10 seconds? Assume that no heat is dissipated from the water during the heating time.
  3. Light in the ultraviolet-C band is most harmfult to skin. Does a glass window offer protection from this wavelength?
  4. What is the speed of light in water? A helium-neon laser has a wavelength of 632.8 µm (in vacuum). What is the wavelength of this light in water?
  5. A very short pulse of light is emitted from a laser radar, and is reflected back from an object 1 km away. How long after the transmitted pulse is the received pulse?

Reference no: EM132441530

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