Equilateral prisms are all 60° at three angles, and are often used as dispersive prisms due to their specific geometry and optical properties, which can separate light at different wavelengths, and are widely used in spectral analysis and other fields.Dispersive prisms are usually triangular in cross-section, and based on the difference in the refraction angle of different wavelengths of light in the same material, they can decompose polychromatic light into monochromatic light, which plays a key role in spectrometers, optical parametric oscillators and other equipment.
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