Optical properties
1. Refraction and deflection: Prisms can change the propagation direction of light and achieve the offset or turning of the light beam. For example, a right-angle prism can deflect the light path by 90° or 180°.
2. Dispersion: Prisms can decompose white light into spectra of different wavelengths, which is very important in spectral analysis.
3. Total reflection: Some prisms use the principle of total reflection to achieve light path control, such as right-angle prisms to achieve light path deflection through total reflection.
4. Beam splitting and light combining: A beam splitter can split a light beam into two or more beams in a certain proportion, while a beam combining prism can combine light beams in different directions into one beam.
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