beamsplitter prism
A beamsplitter prism is made by coating a film on the hypotenuse of a right-angle prism and then cementing an identical right-angle prism to it, forming a cube beamsplitter prism. It avoids the astigmatism of plate beamsplitters; the coating is not directly exposed and is resistant to damage and corrosion. In transmission, the beamsplitter prism has no effect from beam displacement, so there are no problems of beam shift, ghost images, or interference. It is used for light splitting and imaging. At 45° incidence, no lengthy calibration is required. When light is incident perpendicular to the surface, the output light is split into two polarized beams, where the P light is the transmitted light and the S light is the reflected light. After splitting, the beamsplitter prism maintains as much as possible the original ratio of horizontal to vertical polarization of the incident light. Applications include projectors, optical instruments, fingerprint readers, collimators, rangefinders, detectors, mechanical sights, solar energy converters, erecting telescopes, laser therapy equipment, laser measurement systems, etc.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Air Gap | 0.003-0.008mm |
| Stack Error | <1' |
Datasheet
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