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The Huygens–Fresnel principle (named after Dutch physicist Christiaan Huygens and French physicist Augustin-Jean Fresnel) is a method of analysis applied to problems of wave propagation both in the far-field limit and in near-field diffraction. Huygens had a very important insight into the nature of wave propagation which is nowadays called Huygens principle. Huygens Principle & Diffraction. As shown in the picture to the right, when light goes through an aperture (an opening within a barrier)... In a sense, Huygens Principle is more significant for what it says about what happens behind the leading edge of the disturbance. Файл:Refraction - Huygens-Fresnel principle.svg. Материал из Википедии — свободной энциклопедии. Huygens principle ▪ optics in optics, a statement that all points of a wave front of light in a vacuum or transparent medium may be regarded as new sources of wavelets that expand in every direction at a rate depending on their velocities. Huygenss Principle is a simple method of constructing the position of a wave at successive times. As it is well explained elsewhere, Ill simply offer a few links here Figure 1 shows a simple example of the Huygenss Principle of diffraction. The principle can be shown with the equation below: $s=vt$ This is a significant departure from the classical formulation of Huygens principle, where a reverse flow of energy on the positive side of the aperture is precluded by the explicit assumption that light... Huygens principle. (2016). In Encyclopædia Britannica. Информация взята v3.kz |
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