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prism

A prism is a transparent object enclosed by two intersecting but not parallel planes, which can be used to separate light or cause beam dispersion. Prism is one of the common components in optical instruments, with a wide range of applications, such as digital devices, science and technology, medical instruments, etc.

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A prism is a transparent object enclosed by two intersecting but not parallel planes, which can be used to separate light or cause beam dispersion. Prism is one of the common components in optical instruments, with a wide range of applications, such as digital devices, science and technology, medical instruments, etc.
The side of a prism refers to the plane where light enters and exits, while the main cross-section is a plane perpendicular to the side. According to the shape of the main cross-section, prisms can be divided into various types such as triangular prisms, right angled prisms, pentagonal prisms, etc. Among them, the main cross-section of a prism is a triangle, usually with two refractive surfaces. The angle between them is called the top angle, and the plane opposite the top angle is called the bottom.
Prisms are widely used in optical instruments. For example, in spectroscopic instruments, prisms are used to decompose composite light into spectra, and these prisms are called "dispersion prisms", with the most commonly used being equilateral prisms. In addition, in instruments such as telescopes and microscopes, prisms are also used to change the direction of light and adjust the imaging position.


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