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Interference Wedges and their Applications

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Describe an interference wedge and elaborate briefly as to where they are used.

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An interference wedge is a technique used for interference in spectroscopy. A light from the source (S) is located at the focal point of a Fresnel lens (F1), and focused by a second lens (F2) to form a real image S' of S at the aperture of the integrating sphere (IS). The LCD is mounted in the collimated beam directly after the interference wedge (IF) which gives ...

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The solution explains what an interface wedge is as well as providing information as to how it can be used in the field of spectroscopy and a diagram showing details clearly.

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