After School Optics Lab Quiz

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After School Optics Lab Quiz
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1. What is the phenomenon that explains how light
can be channeled called?
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2. What is the angle called at which incoming
light is completely reflected?
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B
A
3. The index of refraction is higher for medium A
or B?
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4. ??
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5. True or False For internal reflection

• a. The incident angle must be less than the
  critical angle
• b. The fiber must have an uneven cleave
• c. Repeaters must be placed at certain distances
  along the fiber
• d. The laser light must be red

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6. What is it called when a more atoms of a gas
are in an excited state than in a lower energy
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7. What does LASER stand for?
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ANSWERS

• 1. Total internal reflection
• 2. The critical angle
• 3. B
• 4. Cladding
• 5. F, F, T, F
• 6. Population inversion
• 7. Light Amplification by Stimulated Emission of
  Radiation