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Dielectric Mirror
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Dielectric mirrors feature multilayer thin-film coatings applied on optical substrates. Optimized coating materials and layer thickness enable customized reflectivity for target wavelengths. Compared with conventional metallic mirrors, our products deliver ultra-high reflectivity (over 98%) across the 420~680 nm range. They offer outstanding durability, strong laser damage resistance and easy cleaning, alongside reliable heat resistance and consistent performance. Ideal for laser systems, projectors, microscopy, medical imaging and precision optical instruments.
Parameters
Specification
Material
Fused Silica & BK7
Dimension Range 3 ~ 200mm Dimension Tolerance
+/-0.1mm
Surface Quality 40-20 Surface Irregularity λ/10@632.8nm Parallelism ＜ 30" Clear Aperture > 90% of diameter Bevel 0.2 mm x 45° Coating Dielectirc Coating Key Features of High-Reflectivity Dielectric Mirrors
- Ultra-High Reflectivity: Achieves superior light reflectivity via thin-film interference, delivering stable and high-efficiency light reflection across designated spectral bands.
- Broad Spectral Performance: Optimized for wide wavelength coverage, these mirrors support versatile applications in visible and near-infrared optical systems.
- Enhanced Durability & Laser Resistance: Hardened dielectric thin-film structure provides excellent scratch resistance, laser damage tolerance, and easy cleaning compared to traditional metal coatings.
- Precision Angle-Tuned Design: Dielectric coatings are highly customizable for specific incident angles (0°or 45°), offering precise optical performance for high-precision optical paths.
High-Reflectivity Dielectric Mirrors: Types & Applications
Dielectric coated mirrors achieve near-zero light absorption and over 99% reflectivity, ideal for applications requiring ultra-high reflectance. These mirrors withstand continuous laser irradiation and are categorized into two main types. Broadband multilayer mirrors offer extensive spectral coverage, suitable for low-loss optical systems, low-power lasers and multi-wavelength laser systems. Laser-grade multilayer mirrors feature low optical loss and high laser damage thresholds, optimized for high-power laser systems at 45° incidence.
They are widely used in barcode scanners, projectors, laser scanners, medical imaging devices and professional microscopy, delivering minimal light loss and consistent, dependable performance. - Ultra-High Reflectivity: Achieves superior light reflectivity via thin-film interference, delivering stable and high-efficiency light reflection across designated spectral bands.
Dielectric Mirror
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