Return to Eq. (12.21) and separate it into two terms representing a coherent and an incoherent contribution,

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Return to Eq. (12.21) and separate it into two terms representing a coherent and an incoherent contribution, the first arising from the superposition of two coherent waves with irradiances of |??12(?)|I1 and|??12(?)|I2 having relative phase of ?12(?) - ?, and the second from?image

the superposition of incoherent waves of irradiance [1 - |??12(?)|]I1?and [1 - |??12(?)|]I2. Now derive expressions for Icoh/Iincoh and for Iincoh/Itotal. Discuss the physical significance of this alternative formulation and how we might view the visibility of fringes in terms of it.

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Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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