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Optical thin film coating
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Optical Thin Film Coating
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We provide the most suitable optical thin film solutions depending on customer’s requirements, including reflective coatings (HR), anti-reflective coatings (AR), beam splitting coatings, and filter coatings. Utilizing advanced coating technologies and equipment, we deliver precision coatings across ultraviolet (UV), visible, and infrared (IR) spectral ranges to ensure optimized performance of optical components at target wavelengths.
1. Anti-Reflective Coatings (AR Coatings)
• Single wavelength AR Coatings
• Broadband AR Coatings
• Dual wavelength AR Coatings
2. High-Reflective Coatings (HR Coatings)
• Metallic HR Coatings
Materials: Aluminum (Al), silver (Ag), gold (Au)
• Dielectric HR Coatings
Advantage: Low absorption, high laser damage threshold
3. Beam splitting Coatings
• Neutral Beam splitting, fixed splitting ratio (e.g., 50/50) in specified bands
• Polarizing Beam splitting, for beam splitting plates, beam splitting cubes.
4. Filter Coatings
• Bandpass Filters
• Longpass or Shortpass Filters
• Neutral Density (ND) Filters
• Cut-off filter
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