Polarizing Beamsplitter Cube

• High-quality polarizing beamsplitter cubes for precision optical applications

• Available in various sizes and wavelength ranges for versatile use

• Excellent extinction ratio for efficient separation of s and p polarizations

• Durable dielectric coatings for enhanced performance and longevity

• Ideal for laser systems, interferometry, and polarization-sensitive experiments

Polarizing Beamsplitter Cube

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Classification of Beam Splitters

Beam splitters are widely used in image science, laser measurement and other fields. A beam splitter is an optical device that can split a beam of light into two beams of light and is an important part in the middle of an optical interferometer. In its most common form - a cube.

Difference between Polarizing and Non-Polarizing Cube

  • PBS

  • NPBS

How Polarized Light Working

When light is incident obliquely on a glass surface, its reflectivity changes with the polarization direction of the incident light. Light waves vibrating in the plane formed by the normal to the glass surface and the incident light beam are called P polarized light, and light waves vibrating in the direction orthogonal to the P polarized light are called S polarized light. The polarization states in other directions can be considered as the result of the synthesis of P polarization and S polarization in different proportions.
The reflectivity of P polarization and S polarization is determined by the incident angle and the refractive index of the glass. Because they follow different laws, the reflectivity of P polarization and S polarization is also different.

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