What is the history and significance of Joseph von Fraunhofer's diffraction expression in the field of physics?
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Joseph von Fraunhofer's diffraction expression has a significant history and impact in the field of physics. His work on diffraction patterns of apertures, specifically the Fraunhofer diffraction, has been extensively studied and applied in various optical experiments. The diffraction phenomenon at the diaphragm, which is a subject to wave optics, has been analyzed using Fraunhofer diffraction theory . This theory provides a mathematical representation of the diffraction pattern of arbitrary apertures, allowing for efficient calculation and visualization of high-resolution diffraction patterns . The Fraunhofer diffraction has also been used in the measurement of diffraction width, providing a high calculation efficiency . Furthermore, Fraunhofer diffraction has been compared to other diffraction theories, such as the Fresnel-Kirchhoff and Rayleigh-Sommerfeld theories, to understand the intensity of diffracted waves at different angles . Overall, Joseph von Fraunhofer's diffraction expression has played a crucial role in advancing our understanding of diffraction phenomena and has practical applications in various optical experiments.
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