6A44.40 Laser and Fibre Optics

Concepts

Total internal reflection, rays

Overview

Light from a flashlight or laser pointer undergoes total internal reflection inside optical fibres and light pipes.

Details

Equipment

  • [1] Flashlight
  • [1] Red laser pointer
  • [1] Green laser pointer
  • [1] Fibre optic cable
  • [1] Fibre optic plant
  • [1] Fibre optic bundle
  • [1] Set of light pipes
  • [1] Document camera

Classroom Assembly

  1. Put fibre optic plant on base.

Important Notes

  • Lasers can cause blindness. Use with caution.

Script

  1. Shine flashlight through various items.
  2. Shine laser pointer through various items to illustrate paths of light rays.

 

Additional Resources

References

  • PIRA 6A44.40

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2020

Technicals

Related AV

Related demos

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If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.