1. APPLICATIONS OF REFRACTION AND TOTAL INTERNAL REFLECTION

2. Fibre Optics

3. Fibre Optics

4. Fibre Optic Cables

6. The speed of communications

7. Fibre Optics – endoscope

8. Fibre Optics – endoscope

9. Triangular Prism
45°
45°

10. Triangular Prism
45°
45°
45°
45°

11. Triangular Prism

12. Triangular Prism Plane Mirrors vs. Triangular Prisms:
In triangular prisms almost 100% of light is reflected. Mirrors absorb some light, reducing quality.
More durable. Opaque surfaces in mirrors often deteriorate over time.

13. Retro-reflectors and Prisms

14. Retro-reflectors and Prisms
An optical device in which the emergent ray is parallel to the incident ray

15. Retro-reflectors and Prisms

16. Diagram of a Retro-reflector

17. Retro-reflectors and Prisms

18. Retro-reflectors – examples

19. Retro-reflectors – examples