September 21, 2011

Total Internal Reflection

I recently posted a video showing off the peculiar effect of light being transmitted through 2 mediums without refraction which makes it impossible to distinguish between the mediums resulting in an object becoming invisible.

Here we see another beautiful effect, total internal reflection, which is used to transmit information in fiber optic cables.

An optical fiber is a flexible, transparent fiber made of very pure glass not much wider than a human hair that acts as a waveguide to transmit light between the two ends of the fiber.

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