Geometric Optics

Reflection and Refraction

Demonstration: Total Reflection

Video RealVideo®
1:53 minutes (7:00 - 8:53)

Showing the reflection and refraction of a laser shined through water, including total reflection for a sufficient angle of incidence.

Course: 8.02 Electricity and Magnetism, Spring 2002
Instructor: Prof. Walter Lewin
Prior Knowledge: Snell's Law (Beginning of VL29)
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Fiber Optics

Video RealVideo®
4:27 minutes (8:53 - 13:20)

How fiber optic cables work using total reflection. Demonstration of a fiber optic cable transferring a laser light and a full image.

Course: 8.02 Electricity and Magnetism, Spring 2002
Instructor: Prof. Walter Lewin
Prior Knowledge: Snell's Law (Beginning of VL29)
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