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For a Fabry-Perot interferometer, suppose that two close wavelengths λ and λ + ∆λ are just...

For a Fabry-Perot interferometer, suppose that two close wavelengths λ and λ + ∆λ are just resolved. Argue that the resolving power λ/∆λ is equal to −δ/∆δ, and hence show that the resolving power is R = mF.

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All the symbols used to solve the problem is usual.

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