Page 40 - Photonics Essentials an introduction with experiments

Electrons and Photons

34 Introductory Concepts

speed of light in glass = c/n 2 . On the other side of the equation,
the product f must also change to maintain equality. How is
this change accomplished? Does the frequency change, the wave-
length change, or some combination of both? Use conservation of
energy to support your argument.

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