Interference

Interference

Interference is a phenomenon in which radiation energy is redistributed between two or more coherent waves. This can lead to changes in the intensity and direction of the wave, as well as the appearance of new waves. Interference can be observed in various fields of science and technology, for example, in physics

Interference is a phenomenon that occurs in various fields of science and technology. In physics, for example, it involves the interaction of two or more waves or particles that can oscillate or interfere with each other.

Interference can be observed in many objects and phenomena, and its existence has been known since ancient times. One of the first to describe this phenomenon was Christiaan Huygens. He noticed that when two waves collide, they form a series of alternating maxima and minima called interference fringes.

This effect occurs because each wave contributes to the overall wave. Moreover, these waves can have different frequencies, amplitudes, phases and other characteristics. Thanks to interference, all these vibrations can be amplified at some points and weakened at others, creating various effects.

One example of this phenomenon is the interference between light when it passes through two glass plates of different thicknesses. As soon as light hits the first plate, its particles are separated and begin to spread in different directions. On the second plate the same thing happens, but with a different angle.

Interference is a phenomenon in which waves from two or more sources are reflected from the interfaces of two media with different optical properties. In this case, each radiation source simultaneously excites oscillations in both media, which leads to a weakening of the intensity of the light wave when crossing shadow areas.

The interference effect was observed experimentally simultaneously by Galileo, Descartes, and Fresnel. The last of them made it possible to describe the basic laws on which the quantum theory of light is based. Subsequently, Einstein showed that the coherent (coordinated) movement of photons (electrons) opens