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Beam Splitter Prism

Beam Splitter Prism

Beam Splitter Prism – Accurate Light Splitting and Combining

LUMINA beam splitter prisms can divide an incident light beam into two or more beams at a specified ratio or combine multiple beams into one, making them widely used in laser systems, imaging devices, interferometers, and optical inspection instruments.

We offer a variety of split ratios (such as 50/50, 30/70, etc.) and coating options for different wavelength ranges, and can customize dimensions, angles, and substrate materials according to customer requirements to ensure stable and reliable optical performance.

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Custom Products
Specification

Substrate materials: BK7, ZF glass, or equivalent

Cube size (edge length): custom (typical few mm to tens of mm)

Clear aperture: >80%–90% (design dependent)

Surface quality: 60/40, 40/20

Surface flatness: λ/4–λ/10 @ 632.8 nm (typical)

Angular tolerance: < 30 arc sec

Coating:

Hypotenuse face: polarization beam splitter coating

Input / output faces: AR coating

Final specifications are defined based on optical design and application requirements.


Key Features

Customizable splitting ratios: 50/50, 30/70, 20/80, etc.

Coating options: AR, metallic, or polarizing coatings

High optical precision with excellent surface quality

Wide spectral range: UV – VIS – NIR

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LUMINA is committed to becoming your reliable partner in the high-end optical field. If you have special optical needs or application challenges that cannot be met by standard products, please contact us to start your journey of customized optical solutions!
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