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2. Diffraction from slits - Wikipedia

   en.wikipedia.org/wiki/Diffraction_from_slits

   Because diffraction is the result of addition of all waves (of given wavelength) along all unobstructed paths, the usual procedure is to consider the contribution of an infinitesimally small neighborhood around a certain path (this contribution is usually called a wavelet) and then integrate over all paths (= add all wavelets) from the source to the detector (or given point on a screen).

3. File:Diffraction of plane wave from plasmonic slit.png

   en.wikipedia.org/wiki/File:Diffraction_of_plane...

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4. N-slit interferometer - Wikipedia

   en.wikipedia.org/wiki/N-slit_interferometer

   The N-slit interferometer is an extension of the double-slit interferometer also known as Young's double-slit interferometer. One of the first known uses of N-slit arrays in optics was illustrated by Newton. [1] In the first part of the twentieth century, Michelson [2] described various cases of N-slit diffraction.

5. N-slit interferometric equation - Wikipedia

   en.wikipedia.org/wiki/N-slit_interferometric...

   which is the generalized diffraction grating equation. Here, θ m is the angle of incidence, φ m is the angle of diffraction, λ is the wavelength, and m = 0, 1, 2... is the order of diffraction. Under certain conditions, d m ≪ λ, which can be readily obtained experimentally, the phase term becomes [7] [10]

6. Double-slit experiment - Wikipedia

   en.wikipedia.org/wiki/Double-slit_experiment

   Same double-slit assembly (0.7 mm between slits); in top image, one slit is closed. In the single-slit image, a diffraction pattern (the faint spots on either side of the main band) forms due to the nonzero width of the slit. This diffraction pattern is also seen in the double-slit image, but with many smaller interference fringes.

7. Fraunhofer diffraction equation - Wikipedia

   en.wikipedia.org/wiki/Fraunhofer_diffraction...

   Diffraction geometry, showing aperture (or diffracting object) plane and image plane, with coordinate system. If the aperture is in x ′ y ′ plane, with the origin in the aperture and is illuminated by a monochromatic wave, of wavelength λ, wavenumber k with complex amplitude A(x ′,y ′), and the diffracted wave is observed in the unprimed x,y-plane along the positive -axis, where l,m ...

8. Quantum eraser experiment - Wikipedia

   en.wikipedia.org/wiki/Quantum_eraser_experiment

   Figure 2. Introduction of polarizer in upper path restores interference fringes below. Next, a circular polarizer is placed in front of each slit in the double-slit mask, producing clockwise circular polarization in light passing through one slit, and counter-clockwise circular polarization in the other slit (see Figure 1). (Which slit ...

9. Huygens–Fresnel principle - Wikipedia

   en.wikipedia.org/wiki/Huygens–Fresnel_principle

   [3]: 375 Very few rigorous solutions to diffraction problems are known however, and most problems in optics are adequately treated using the Huygens-Fresnel principle. [ 3 ] : 370 In 1939 Edward Copson , extended the Huygens' original principle to consider the polarization of light, which requires a vector potential, in contrast to the scalar ...