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| Coad | 669660 | Substrate | Borofloat 33 | |
| Type | Metallic Coated Flat Mirror | Diameter(mm) | 25.40 | |
| Clear Aperture | 90% CA | Diameter Tolerance | +0.0/-0.15mm | |
| Parallelism | <3 arcmin | Thickness(mm) | 6.00 | |
| Quantity | 1 | Thickness Tolerance | ±0.25mm | |
| Surface Quality S1 | 60-40 | Wavelength(nm) | 250 - 600 | |
| Surface Quality S2 | Polishing | AOI(°) | 45 | |
| Inclination Angle | - | Surface Flatness | 5λ@633nm | |
| Laser Damage Threshold | 0.2 J/cm2@355 nm，5 ns，10 Hz (Single Pulse) | Coating Type | UV-Enhanced Aluminum Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Ravg>90%@250-600nm,AOI=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 economical UV-enhanced aluminum-coated flat mirrors, which are suitable for beam deflection in the ultraviolet spectral range, providing high reflectance across a wide spectral range. The light is reflected from the metal coating without introducing chromatic aberration. 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, isolating the metal coating from direct contact with air and preventing oxidation, which could affect optical performance.
Compared to standard UV-enhanced aluminum-coated mirrors, economical UV-enhanced aluminum mirrors have relatively lower surface quality and reflectance performance, but they are more affordable.
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