| 21. | This is caused by multiple internal reflections in the thin film, scattering the emitted light.
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| 22. | Prisms are sometimes used for the internal reflection at the surfaces rather than for dispersion.
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| 23. | Similarly, phonons are also capable of producing evanescent waves in a total internal reflection geometry.
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| 24. | In the case of total internal reflection, and are complex numbers representing the evanescent wave.
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| 25. | This incompatibility is analogous to the lack of transmission that occurs during total internal reflection.
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| 26. | The fibers of ulexite act as optical fibers, transmitting light along their lengths by internal reflection.
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| 27. | The net effect of the internal reflections is to flip the image both vertically and horizontally.
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| 28. | Such devices can be based on the Faraday effect, on birefringence, or on total internal reflection.
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| 29. | Acrylic rod, illustrating the total internal reflection of light in a multi-mode optical fiber . ]]
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| 30. | This phenomenon is known as total internal reflection.
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