Dove Prism
Dove prisms are typically employed as image rotators. Due to the oblique angle of incidence with respect to the incident surface, when a Dove prism is unfolded along its reflecting surface, it effectively behaves as an inclined parallel plate. This setup causes dispersion of the light beam within the prism, resulting in different colors of light emerging parallel to each other at the exit end. A Dove prism serves as an image rotator. After passing through the prism, the image is inverted by 180 degrees. Additionally, when the prism is rotated about its optical axis, the rotation angle of the image is twice that of the prism. Generally, Dove prisms utilize the principle of total internal reflection at the critical angle, which limits their field of view. Ensuring the cleanliness of the reflecting surface and using parallel light are also crucial for the proper operation of Dove prisms.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | BK7 glass / UV Fused silica |
| Dimension | 3mm~200mm |
| Dimension tolerance | ±0.1mm~±0.05mm |
| Surface quality | 60/40, 40/20, 20/10 |
| Surface flatness | λ/20 – λ/4 |
| Angle tolerance | <30arc sec. ~5arc min |
| Bevel [45°] | <0.25mm×45° |
| Coating [As per customized request] | As per customized request |
Applications
Key Features
Datasheet
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Supplier Information
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