Principle and application of beam splitting prism

Beam splitting prism principle
The working principle of the beam splitting prism is mainly based on the refraction and dispersion of light. When light passes through a prism, different wavelengths of light are deflected due to different refractive indices, forming a specific spectrum. According to Snell's law, light travels along different paths as it enters and leaves the prism, thus achieving the dispersion of light.
Relation between refractive index and wavelength: There is a certain relationship between the refractive index of light and the wavelength, usually manifested as "dispersion". In the visible light range, short-wavelength light (such as blue light) has a higher refractive index, while long-wavelength light (such as red light) has a lower refractive index. This uneven refraction results in the formation of a spectrum.
Spectrum formation: When white light passes through a splitter prism, the various colors in the white light will be separated by different angles of refraction, forming a continuous spectrum. By adjusting the Angle and mounting position of the prism, the direction of the incident light can be precisely controlled to obtain the desired spectral resolution.
Spectroscopic prism application
Spectroscopic prisms play an important role in a number of areas:
Spectroscopic analysis: In the fields of chemistry, biology and environmental science, spectroscopic prisms are used to analyze the composition and concentration of substances, and determine the properties of substances through spectral information of specific wavelengths.
Laser technology: In laser and optical communication, spectroscopic prisms are used to adjust and control the direction and intensity of the laser beam, thereby improving the performance of the system.

Optical imaging: In microscopy and astronomy, spectroscopic prisms are used to break down and analyze different wavelengths of light to improve imaging contrast and resolution.

Splitting prism is an important part of optical engineering and has a wide application prospect. With the progress of science and technology, the material and manufacturing technology of the splitting prism continue to develop, and its application field will be further expanded in the future.