LASER

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Across
  1. 1. output form of three level pumping
  2. 5. process required to pumping photon from lower to higher level
  3. 8. laser has single phase means
  4. 9. source used in ruby laser
  5. 12. has single wavelength
  6. 15. emission of radiation
  7. 16. which property of laser describes
  8. 17. source used in optical pumping
Down
  1. 2. short form of light amplification by
  2. 3. how many energy levels in ruby laser
  3. 4. which level pumping gives continuous output
  4. 6. in which process photon is emitted naturally during transition
  5. 7. LIGHT is made up of particle called as
  6. 10. He-Ne is which type of laser
  7. 11. ruby is which type of laser
  8. 13. raising of atom from lower level to
  9. 14. In which process photon multiplication
  10. 18. known as