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Double Slit Interference. This corresponds to an angle of θ = ° . This calculation is designed to allow you to enter data and then click on the quantity you wish to calculate in the active formula above. The data will not be forced to be consistent until you click on a quantity to calculate.
- Double Slit Diffraction Illustration
The pattern formed by the interference and diffraction of...
- Double Slit Diffraction Illustration
Double Slit Interference. This is a simulation of diffraction of light by a double slit. Use the sliders to adjust the distance between the slits and the wavelength of the light. Use the checkboxes to show or hide the wavefronts, maxima, and vertical scale.
This simulation shows the intensity resulting from Young's double slit experiment. The effects of interference and diffraction are calculated. Use the sliders to change the parameters of the experiment. Notice how the resulting intensity on the screen changes.
The pattern formed by the interference and diffraction of coherent light is distinctly different for a single and double slit. The single slit intensity envelope is shown by the dashed line and that of the double slit for a particular wavelength and slit width is shown by the solid line.
To calculate the diffraction pattern for two (or any number of) slits, we need to generalize the method we just used for a single slit. That is, across each slit, we place a uniform distribution of point sources that radiate Huygens wavelets , and then we sum the wavelets from all the slits.
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. Calculate the locations of the maxima and minima and other properties of diffraction patterns. Compute a diffraction pattern for a single slit:
Double Slit Interference. This is a simulation of diffraction of light by a double slit. Use the sliders to adjust the distance between the slits and the wavelength of the light. Use the checkboxes to show or hide the wavefronts, maxima, and vertical scale.
