In 1621, Dutch astronomer Willebrord Snell mathematically described how a light wave behaves when it crosses a boundary between media with different refractive indices. Since then, Snell’s law of ...
Diffraction occurs when a wave encounters an obstruction in its path and will change direction, or wrap around it. In ocean waves, we see this occur when a wave encounters an object like a jetty and ...
Time reflection and refraction are among the most canonical phenomena emerging from the burgeoning field of time-varying materials. However, their connection with topology remains largely unexplored.
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