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 ( ) I 1 and 12 ( ) I 2 having relative phase of 12 ( ) , and the second from the superposition of incoherent waves of irradiance 1 12 ( ) I 1 and 1 12 ( ) I 2 Now derive expressions for I coh I incoh and for I incoh I total Discuss the physical significance of this alternative formulation and how we might view the visibility of fringes in terms of it I 1 I 2 Vh 12(7) cos a12(7) 4 (12 21)

Question: 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

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? I = 1 + I +2 Vh| 12(7)| cos [a12(7) 4] (12.21)

the superposition of incoherent waves of irradiance [1 - |?^?₁₂(?)|]I_1?and [1 - |?^?₁₂(?)|]I₂. Now derive expressions for I_coh/I_incoh and for I_incoh/I_total. Discuss the physical significance of this alternative formulation and how we might view the visibility of fringes in terms of it.

I = 1 + I +2 Vh| 12(7)| cos [a12(7) 4] (12.21) -

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Eq 1221 is I I1 I2 2I1I212cos12 where I is the total irradiance I1 and I2 are the individual irradia... View full answer

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