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| Coad | 669626 | Substrate | Borofloat 33 | |
| Type | Metallic Coated Flat Mirror | Diameter(mm) | 25.40 | |
| Clear Aperture | 90% CA | Diameter Tolerance | +0.0/-0.1 mm | |
| Parallelism | - | Thickness(mm) | 6.00 | |
| Quantity | 1 | Thickness Tolerance | ±0.25mm | |
| Surface Quality S1 | 40-20 | Wavelength(nm) | 450 - 20000 | |
| Surface Quality S2 | Fine Polishing | AOI(°) | 0 - 45 | |
| Inclination Angle | - | Surface Flatness | λ/10@633nm | |
| Laser Damage Threshold | 0.19J/cm2@515nm，290fs，100Hz，Ø10.72μm (100 Pulses) | Coating Type | Aluminum Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Ravg>90%@450-2000nm,Ravg>96%@2000-20000nm | |||
Metal-coated mirrors are highly suitable for beam deflection in broadband light sources, offering high reflectance across a wide spectral range. However, metallic coatings are prone to oxidation, discoloration, or peeling in high-humidity environments. To address this issue, LBTEK's metallic-coated mirrors are coated with a layer of silicon dioxide protection film to isolate the metal coating from direct contact with air, preventing oxidation and maintaining optical performance. LBTEK offers mirrors with aluminum, silver, and gold coatings.
LBTEK offers Ø25.4 mm aluminum-coated metallic flat mirrors. Metallic-coated mirrors are highly suitable for beam deflection in broadband light sources, providing high reflectance across a wide spectral range. However, metallic coatings are prone to oxidation, discoloration, or peeling in high-humidity environments. To prevent this, LBTEK’s metallic-coated mirrors are coated with a layer of silicon dioxide protection film, which isolates the metal coating from direct contact with air, thus preventing oxidation and maintaining the optical performance of the mirror.
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