EQUATION REGISTRY

Relative far-field intensity of two rectangular slits

a is slit width and d separation; coherent uniform illumination and D²/(λL)≪1. Web φ replaces manuscript observation angle θ, not wave phases; paraxial spacing remains approximate.

Theory · EFFECTIVE MODELEquation version 1.0.0

Based on the final manuscript · Chapter 5

ASD-WEB-QM-020
I(ϕ)I0=sinc⁡2 ⁣(πasin⁡ϕλ)cos⁡2 ⁣(πdsin⁡ϕλ),ΔY≃λL/d,sinc⁡z=sin⁡z/z\frac{I(\phi)}{I_0}=\operatorname{sinc}^2\!\left(\frac{\pi a\sin\phi}{\lambda}\right)\cos^2\!\left(\frac{\pi d\sin\phi}{\lambda}\right),\quad\Delta Y\simeq\lambda L/d,\quad\operatorname{sinc}z=\sin z/z

a is slit width and d separation; coherent uniform illumination and D²/(λL)≪1. Web φ replaces manuscript observation angle θ, not wave phases; paraxial spacing remains approximate.
Chapter reference: Ch. 5 (5.3.4)–(5.3.6) · ASD-BOOK-ddbade997b45

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Ch. 5 (5.3.4)–(5.3.6)

a is slit width and d separation; coherent uniform illumination and D²/(λL)≪1. Web φ replaces manuscript observation angle θ, not wave phases; paraxial spacing remains approximate.

Conditions retained in this adoption

  • Selected channel and stated initial/boundary conditions; action/energy matching retained
  • Continuum, slow-envelope and detector approximations kept at their respective levels

Source locators: p1909 · p1918 · p1927 · p1933 · p1945

Manuscript SHA-256: ddbade997b45913248e588953b1d27ccb9c7c206c3c8d992d3aef2364a64836e

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QM-0accdcbe7725 · Ch. 5 (5.3.4)–(5.3.6)

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