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LASER and Fiber Questions and Answers | Notes

February 7, 2021 by imBooz Leave a Comment

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LASER and Fiber fiber Questions and Answers in PDF

LASER and Fiber fiber Questions and Answers

  1. What is a Laser? Give major properties of laser light. Or Explain in brief the characteristics of a laser beam. Or How does laser differ from ordinary light?
  2. What are Einstein’s coefficients? Derive Einstein’s relation. Or Explain the three quantum processes of interaction of radiation with the matter and derive the relationship between Einstein’s coefficients.
  3. What is meant by stimulated emission? Explain the basic condition in which stimulated condition dominates.
    What is population inversion in lasers and how it is achieved?
  4. What is the principle pumping schemes?
  5. Explain the different components of the laser.
  6. Describe the construction and working of a ruby laser with help of a necessary
  7. Explain the construction and working of He-Ne laser with neat diagrams.
  8. Explain the construction and working of CO2 laser with neat diagrams.
  9. Describe construction and working of Nd: YAG laser with the help of necessary diagrams.
  10. What is optical fiber?
  11. Explain the principle of propagation of light waves in the optical fiber. What are acceptance angle, acceptance cone, and numerical aperture?
  12. Explain the types of fibers and their index profiles.
  13. What is the V-number or normalized frequency of an optical fiber?

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LASER and Fiber fiber Questions and Answers

 

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Filed Under: Fiber Optics, LASER Tagged With: acceptance angle and cone, applications of lasers in science, attenuation, CO2 LASER, coherence, different types of lasers: gas lasers ( He-Ne, directionality and brightness, Einstein’s theory of matter radiation interaction and A and B coefficients; amplification of light by population inversion, engineering and medicine. Introduction to Optical fiber, laser speckles, ND:YAG LASER, numerical aperture, Properties of laser beams: mono-chromaticity, Ruby LASER, V-number

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