APPLICATIONS OF REFRACTION AND TOTAL INTERNAL REFLECTION

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Presentation transcript:

APPLICATIONS OF REFRACTION AND TOTAL INTERNAL REFLECTION

Fibre Optics

Fibre Optics

Fibre Optic Cables www.youtube.com/watch?v=0MwMkBET_5I

The speed of communications

Fibre Optics – endoscope

Fibre Optics – endoscope

Triangular Prism 45° 45°

Triangular Prism 45° 45° 45° 45°

Triangular Prism

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.

Retro-reflectors and Prisms

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

Retro-reflectors and Prisms

Diagram of a Retro-reflector

Retro-reflectors and Prisms

Retro-reflectors – examples

Retro-reflectors – examples

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