Single Slit Diffraction Intensity Under the Fraunhofer conditions, the wave arrives at the single slit as a plane wave. Divided into segments, each of which can be regarded as a point source, the amplitudes of the segments will have a constant phase displacement from each other, and will form segments of a circular arc when added as vectors. The resulting relative intensity will depend upon the total phase displacement according to the relationship: Show Show Show

Index Diffraction concepts Fraunhofer diffraction Fraunhofer intensity concepts

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Single Slit Amplitude Construction Under the Fraunhofer conditions, the wave arrives at the single slit as a plane wave. Divided into segments, each of which can be regarded as a point source, the amplitudes of the segments will have a constant phase displacement from each other, and will form segments of a circular arc when added as vectors. In this way, the single slit intensity can be constructed. More detail on amplitude addition Peak intensities

Index Diffraction concepts Fraunhofer diffraction Fraunhofer intensity concepts

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Graphical Amplitudes: Single Slit Under the Fraunhofer conditions, the wave arrives at the single slit as a plane wave. Divided into segments, each of which can be regarded as a point source, the amplitudes of the segments will have a constant phase displacement from each other, and will form segments of a circular arc when added as vectors. In this way, the single slit intensity can be constructed. Setup for amplitude addition, single slit Peak intensities

Index Diffraction concepts Fraunhofer diffraction Fraunhofer intensity concepts

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Single Slit Peak Intensities Under the Fraunhofer conditions, the wave arrives at the single slit as a plane wave. Divided into segments, each of which can be regarded as a point source, the amplitudes of the segments will have a constant phase displacement from each other, and will form segments of a circular arc when added as vectors. In this way, the single slit intensity can be constructed. Setup for amplitude addition, single slit

Index Diffraction concepts Fraunhofer diffraction Fraunhofer intensity concepts

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