optical&communication networking

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Across
  1. 2. What is a specific path the light takes in an optical fiber corresponding to a certain angle and number of reflection
  2. 4. Which theory states that the light wave behaves as if it consists of many tiny particles
  3. 6. is used to describe unwanted components of an electrical signal
  4. 7. Is a non-coherent light source foe optical communications system
  5. 9. The loss in signal power as light travels down a fiber is called
  6. 10. optics A dielectric waveguide for the propagation of electromagnetic energy at light frequencies
  7. 11. Which type of laser is the simplest to modulate directly by changing its excitation
  8. 12. is lasing medium
  9. 14. What generates a light beam of a specific visible frequency
  10. 15. -----can be a computer,printer,or any other device capable of sending and receiving data generated by other device capable of sending &receiving data generated by other nodes on the network
  11. 16. When a beam of light enters one medium from another, which quantity will not change
  12. 18. Which of the following is used as an optical receiver in fiber optics communications
  13. 20. is a set of devices connected by a communication links
Down
  1. 1. is a measure of decay of signal strength
  2. 3. spreading of light pulses
  3. 5. Longitudinal waves do not exhibit
  4. 8. The band of light wavelengths that are too long to be seen by the human eye
  5. 13. monochromatic coherent source
  6. 17. the core is surrounded by a solid dielectric --------
  7. 19. The inner portion of the fiber cable is called