MATLAB Code for Young's Interference with Yang's Double Slit Experiment

In 1801, Thomas Young, a British scientist, conducted an experiment that demonstrated the interference phenomenon of light using two coherent light beams. The experiment involved shining light waves through adjacent narrow slits (with widths similar to the wavelength of light), which resulted in the formation of bright and dark fringe patterns on a screen. This observation proved that two light beams can interfere with each other like waves, thus confirming the wave nature of light and initiating the second wave-particle duality of light. To run the MATLAB code for simulating Young's interference with Yang's double slit experiment, follow these steps: (1) Set the basic parameters: lambda = 632.8e-9 (wavelength of helium-neon laser), d = 0.08e-3 (distance between the double slits), L = 1 (distance from the double slits to the screen), and H = 0.1 (size of the screen). (2) Run the code to obtain the interference fringe pattern. In quantum mechanics, the double-slit experiment is a demonstration of the wave-particle duality of micro-objects, such as photons or electrons. It is a "double-path experiment" where the micro-objects can simultaneously or individually travel through two possible paths from an initial point to a final point. The path difference between the two paths causes a phase shift in the quantum state of the micro-objects, resulting in the interference phenomenon.