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Speckle Produced at a Finite Distance
Interference with Scattered Light
7 other sections not shown
Airy disk amplitude angle of incidence angular areas axial displacement axial translation axis birefringent collimated light Consider contrast correlation decorrelation deformation diffraction image diffraction pattern diffuse reflecting object diffuse surface diffuser G double star equal experiment of Fig focal plane Fourier transform Fraunhofer diffraction Fresnel diffraction fringe spacing glass G ground glass illustrated in Fig image plane incident beam infinity interference fringes interferometer large number laser lateral displacement lateral shift Michelson interferometer mirror modulated moved negative H object G obtained optical orientation path difference phase phenomena photographic plate plane E2 plane F plane of lens plane of observation plate H point source rays represented rings scattered screen E2 second exposure Section shown in Fig small apertures speckle grains speckle is observed speckle pattern produced speckle produced spectrum spots star structure successive exposures surface roughness telescope tion transparent diffuse object variations wave wavelength yields Young's fringes