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| Coad | 669646 | Substrate | Borofloat 33 | |
| 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 | 10 | Thickness Tolerance | ±0.25mm | |
| Surface Quality S1 | 40-20 | Wavelength(nm) | 800 - 20000 | |
| Surface Quality S2 | Fine Polishing | AOI(°) | 45 | |
| Inclination Angle | - | Surface Flatness | λ/10@633nm | |
| Laser Damage Threshold | 0.50J/cm2@1550nm，190fs，100Hz，Ø11.47μm (100 Pulses) | Coating Type | Gold Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Ravg>96%@800-20000nm,AOI=45° | |||
Metal-coated mirrors are highly suitable for beam deflection in broadband light sources, offering high reflectance across a wide spectral range. LBTEK provides gold-coated flat mirrors with both protective and non-protective layers, available in circular and rectangular shapes.
Gold-coated mirrors with a protective layer are coated with a layer of silicon dioxide to isolate the metal coating from direct contact with external elements, preventing scratches that could affect optical performance. Non-protective gold-coated mirrors offer higher reflectance compared to the protective-coated ones but are more fragile and prone to surface scratches.
LBTEK offers Ø12.7 mm, Ø25.4 mm, and Ø50.8 mm gold-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. Since gold coatings are relatively fragile and prone to scratching, they are coated with a layer of silicon dioxide protection film to isolate the metal coating from direct contact with external elements, preventing scratches that could affect optical performance.
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