Single and double slit diffraction formulae

EdTheHead · May 16, 2010

Is the formula for single slit diffraction [tex]Dsin\theta = m\lambda[/tex] identical to the double slit diffraction besides m being minima rather than maxima? More specifically will m + 1/2 tell me the angles between maxima?

Doc Al · May 16, 2010

EdTheHead said:

Is the formula for single slit diffraction [tex]Dsin\theta = m\lambda[/tex] identical to the double slit diffraction besides m being minima rather than maxima?

Yes, where D is the distance between the slits instead of the slit width.

More specifically will m + 1/2 tell me the angles between maxima?

No, except approximately. Finding the maxima for single slit diffraction is more complicated.

Single and double slit diffraction formulae

Discussion

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Single and double slit diffraction formulae

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