| 11. | That's called total internal reflection.
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| 12. | This is accomplished through frustrated total internal reflection, also known as evanescent field coupling.
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| 13. | In the case of total internal reflection, and are complex numbers representing the evanescent wave.
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| 14. | Similarly, phonons are also capable of producing evanescent waves in a total internal reflection geometry.
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| 15. | Total internal reflection was often used to avoid the light loss in reflection from a silvered mirror.
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| 16. | Figure " DTIRC " ( Dielectric Total Internal Reflection Concentrator ) on the left shows one such example.
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| 17. | Such devices can be based on the Faraday effect, on birefringence, or on total internal reflection.
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| 18. | Acrylic rod, illustrating the total internal reflection of light in a multi-mode optical fiber . ]]
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| 19. | If the photons reside mainly in the higher index material, the confinement is due to total internal reflection.
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| 20. | This effect, called total internal reflection, is used in optical fibers to confine light in the core.
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