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| Coad | 669662 | 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 | ±0.2mm | |
| Surface Quality S1 | 40-20 | Wavelength(nm) | 2000 - 20000 | |
| Surface Quality S2 | Fine Polishing | AOI(°) | 0 - 45 | |
| Inclination Angle | - | Surface Flatness | λ/10@633nm | |
| Laser Damage Threshold | 0.1 J/cm2@1064 nm,10 ns,10 Hz 25 W/cm@1064 nm | Coating Type | Mid-Infrared Enhanced Gold Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Rabs＞95%@2000-20000nm,Ravg＞98%@2000-20000nm | |||
LBTEK metallic-coated mirrors are highly suitable for beam deflection in broadband light sources, offering high reflectance across a wide spectral range. The mid-infrared enhanced gold-coated mirrors have superior reflectance compared to standard gold-coated mirrors in the 2.0 μm–20.0 μm range, providing an average reflectance of 98%. 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.
LBTEK offers five types of metallic-coated mirrors: gold-coated, mid-infrared enhanced gold-coated, silver-coated, aluminum-coated, and UV-enhanced aluminum-coated.
LBTEK offers Ø25.4 mm mid-infrared enhanced gold-coated flat mirrors in both single and 10-piece packs. The mid-infrared enhanced gold-coated mirrors provide superior reflectance compared to standard gold-coated mirrors in the 2.0 μm–20.0 μm range, with an average reflectance of 98%. 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, isolating the metal coating from direct contact with air and preventing oxidation, which could affect optical performance.
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