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Hi

I have a basic question about the effect of transmitting a laser beam through multiple diffraction gratings. Suppose a diffraction grating was used to produce many spots as follows:

Would adding a second grating of the same pattern result in more spots/maximas? If so, would the resulting number be n^2 where n is the original number of spots/maximas? If not, what is the expected visual effect?

I have a basic question about the effect of transmitting a laser beam through multiple diffraction gratings. Suppose a diffraction grating was used to produce many spots as follows:

Would adding a second grating of the same pattern result in more spots/maximas? If so, would the resulting number be n^2 where n is the original number of spots/maximas? If not, what is the expected visual effect?

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