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Advanced Physics Homework Help
What are g and a in a Diffraction Grating Problem?
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[QUOTE="asdfghhjkl, post: 4949737, member: 486811"] [h2]Homework Statement [/h2] A diffraction grating has period D, and each element of the grating consists of a pair of narrow slits separated by D/N where N is an integer. a) Sketch the diffraction pattern when the grating is normally illuminated b)Calculate the relative intensities $I_n$ of the various diffraction peaks of order n, for the case N=4. Which peaks are forbidden? c)For the case N=2 show that the solution reduced to that of a simple grating of period D/2. [h2]Homework Equations[/h2] See step 3 for my full attempt to solve the problem. [h2]The Attempt at a Solution[/h2] I am aware that the above solution is incorrect, because I ended up ignoring so many things that the solution equals to the one for a double slit, but superposed on a comb of delta functions. My problem is that I don't know how to write the complete function of the grating as a simple function which one could nicely manipulate. Could someone please point me in the correct direction? P.s I am aware that my attempt of the solution is not the most clear. P.s.s Link to the higher resolution picture [URL='https://www.dropbox.com/s/fqk93ccakfeqy1w/20141218_170839.jpg']here[/URL]. [/QUOTE]
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What are g and a in a Diffraction Grating Problem?
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