optical&communication networking

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