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| Coad | 669658 | Substrate | UVFS | |
| Type | Metallic Coated Flat Mirror | Diameter(mm) | 25.40 | |
| Clear Aperture | 90% CA | Diameter Tolerance | +0.0/-0.1mm | |
| Parallelism | - | Thickness(mm) | 6.00 | |
| Quantity | 1 | Thickness Tolerance | ±0.25mm | |
| Surface Quality S1 | 40-20 | Wavelength(nm) | 250 - 450 | |
| Surface Quality S2 | Fine Polishing | AOI(°) | 45 | |
| Inclination Angle | - | Surface Flatness | λ/10@633nm | |
| Laser Damage Threshold | - | Coating Type | UV-Enhanced Aluminum Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Ravg>90%@250-450nm,AOI=0-45° | |||
UV-enhanced aluminum-coated mirrors are highly suitable for beam deflection (in circular or elliptical shapes) and beam separation (in D-shape) across the ultraviolet spectral range, offering high reflectance across a broad wavelength range. Light is reflected from the metallic coating without introducing chromatic aberration. However, metallic coatings are prone to oxidation, discoloration, or peeling in high-humidity environments. To prevent this, LBTEK’s UV-enhanced aluminum-coated mirrors are coated with a layer of silicon dioxide protection film, isolating the metal coating from direct contact with air and preventing oxidation that could affect optical performance. LBTEK offers UV-enhanced aluminum-coated mirrors in various sizes, including circular, elliptical, and D-shaped options.
LBTEK offers D-shaped UV-enhanced coated mirrors, which provide high reflectance across a wide spectral range and are suitable for selecting one beam from two beams with a small angular separation. Additionally, the back of the straight edge of the mirror features a wedge-shaped bevel with a 45° angle, making it easier to split beams for diverging or converging applications. Metallic coatings are prone to oxidation, discoloration, or peeling in high-humidity environments. To address this, LBTEK’s metallic-coated mirrors are coated with a layer of silicon dioxide protection film, isolating the metal coating from direct contact with air and preventing oxidation, which could affect optical performance.
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