Bent Laser Light
Diffraction patterns: when light is deflected.
When light encounters a fine structure (like a hair), it is deflected by it. Here, laser light is deflected as it passes through a narrow slit.
Light doesn’t always travel in straight waves. It can “bend around corners” in unexpected ways. This is called diffraction. Since diffracted light doesn’t overlap seamlessly, an interference pattern appears on the screen. Surprisingly, focusing more light on a single point doesn’t always make it brighter. With destructive interference, the rule is: light + light = darkness.
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