Diffraction describes the behavior when a wave encounters an obstacle or a slit. Wolfram|Alpha provides tools for computing diffraction patterns for a large range of diffraction obstacles, including single slits, double slits, circular holes, diffraction gratings and more.

Diffraction

Compute diffraction properties, such as Rayleigh angle and diffraction pattern. Single-slit, double-slit, multiple-slit, diffraction grating, circular apertures.

single slit diffraction d=1/16 inch, lambda=200nm

4-slit diffraction with slit width 0.05 mm

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Diffraction

Diffraction

Compute a diffraction pattern for a single slit:

Compute a diffraction pattern for a circular aperture:

Explore the diffraction pattern and maxima for multiple-slit diffraction:

Calculate the features of diffraction gratings:

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