Special-Shaped Cemented Prism
A specially shaped cemented prism combines two or more nonstandard optical prisms precisely bonded with optical UV adhesive. Refraction, total internal reflection and beamsplitting provide complex path folding, image rotation and beam displacement. Air-gap-free bonded interfaces reduce reflection losses, simplify assembly and shrink module size. Blackened nontransmitting faces suppress stray light. A thin, uniform adhesive layer reduces internal stress and avoids stress birefringence to preserve image quality. Shapes are customized to the optical path, including trapezoidal, polygonal and compound-inclined structures.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Optical Substrate Material [Fused Silica, Dense Flint Glass and Other Materials Available] | H-K9L / N-BK7, Fused Silica, Dense Flint Glass and Other Materials Optional |
| Dimensions [Customizable on Demand; Standard] | Customizable on Demand, Standard 5-60 mm |
| Angular Tolerance | ±1′ ~ ±3′（arcmin） |
| Angular Tolerance [High Precision down to] | ±15″ |
| Dimensional Tolerance | ±0.03 ~ ±0.1 mm |
| Surface Quality [MIL‑PRF‑13830] | 40/20（MIL‑PRF‑13830） |
| Flatness [632.8nm] | λ/4 ~ λ/8 @632.8 nm |
| Clear Aperture Dimension | ≥90% |
| Chamfer - Dimensions | 0.1‑0.5 mm |
| Chamfer - Angle | 45° |
| Cementing Material | Optical UV Adhesive, Low Shrinkage, Low Stress, Temperature Resistance -40℃~+85℃ |
| Optical Coating | AR on Entrance/Exit Faces; Optional Beam-Split/PBS Coating on Cemented Interface; Blackened Sides |
| Operating Wavelength Band | Covers UV, Visible and Near-Infrared (200-1100 nm) |
| Stress | No Significant Stress Birefringence, Meets Imaging System Requirements |
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Key Features
Datasheet
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