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

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