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Sep 4, 2023 at 15:31 history edited Emilio Pisanty CC BY-SA 4.0
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Sep 4, 2023 at 15:15 comment added Emilio Pisanty This is not quite right. Typically, the notation $I_x$ (etc) would indicate that it is an intensity, i.e. that the modulus-square has already been taken. (And, indeed, if that were not the case, then there is no guarantee that $I_{\circlearrowright} + I_{\circlearrowleft} \neq 0$, which you need in order to be able to divide by it.)
Sep 4, 2023 at 15:14 history edited Emilio Pisanty CC BY-SA 4.0
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Aug 31, 2023 at 9:04 history edited emixd CC BY-SA 4.0
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S Aug 31, 2023 at 8:55 review First answers
Aug 31, 2023 at 9:09
S Aug 31, 2023 at 8:55 history answered emixd CC BY-SA 4.0