Lasers

Lasers, an acronym for "Light Amplification by Stimulated Emission of Radiation," have revolutionized various fields since their inception. These focused beams of coherent light find applications in diverse domains such as medicine, telecommunications, manufacturing, and research. Their ability to deliver precise and concentrated energy with minimal divergence makes them indispensable tools in surgery, cutting-edge scientific experiments, and even everyday consumer electronics. As advancements continue to refine laser technology, their significance in shaping modern society grows ever more apparent, promising further innovations and breakthroughs across numerous disciplines.

Questions
  • What does LASER stand for?
  • How does a laser produce coherent light?
  • How do laser pointers work?
  • How does wavelength affect lasers?
  • Why is laser light special?
  • Why is laser light used with fiber optics?
  • What are some examples of technologies that use lasers?
  • Can lasers damage your eyes?
  • How were lasers invented?
  • What laser can cut metal?
  • How might lasers be used in medicine?
  • Will it ever be possible to produce controlled fusion reactions artifically?
  • What produces pulses of light in lasers?
  • How are lasers used to cut material?
  • A laser light travels at the speed of light, #300,000# #kms^-1#, and has a wavelength of #580# #nm#. What is its frequency?
  • The wavelength of a specific photon in the infrared spectrum is 4 x 10^6 meters. Given that the speed of light is 2.998 x 10^8 m/s, what would be the frequency of this infrared wave?
  • The infrared ray that is propagated through the TV remote has a wavelength of 1.3pm. How do i calculate the energy of a photon of the infrared ray with this wavelenth? Thanks
  • You observe a camper trying to a a start fire using a concave lens. Will this work?
  • Some laser pointers emit light waves with a wavelength of 533 nm. What is the frequency of this light? What color is the light?
  • What is the wavelength of infrared light from an argon laser, 0.00000109 m, in nanometers?