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14 cards from this deck
Light from denser to less dense medium, angle >>> critical angle
Embedded in road surfaces and lane markings
Light returns directly to observer, not scattering
Three plane mirrors at right angles to each other
Reflects off 3 mirrors, emerges parallel to original direction
Thin glass strands transmitting light via total internal reflection
Core surrounded by cladding with lower refractive index
Angle at core-cladding boundary >>> critical angle
Too sharp: angle <<< critical angle, light escapes
Faster data transfer, less signal loss over long distances
Medical device using optical fibres to see inside body
One bundle carries light in, another carries reflected light out
Minimally invasive surgery using optical fibres
Less pain, fewer complications, faster recovery, shorter stay
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