Silicon Gold Mirror for CO2 Laser – Diameter 25 mm

The silicon (Si) mirror with protected gold coating, diameter 25 mm, is a high-precision optical component for CO2 laser systems. It offers superior reflectivity of over 99% at the 10.6 µm wavelength specific to CO2 lasers used in engraving, cutting and industrial marking.

Technical Specifications – Diameter 25 mm

Key Features

Guaranteed >99% reflectivity
The protected gold coating ensures reflectivity of over 99% at 10.6 µm, minimising power losses and maximising laser system efficiency.

25 mm diameter – universal standard size
The 25 mm diameter is the most widely used standard format in CO2 laser engraving and cutting systems, compatible with most laser heads and mirror holders available on the market.

3 mm thickness – optimal rigidity
The 3 mm thickness provides the rigidity needed to maintain surface flatness even at high temperatures generated by the laser beam.

Monocrystalline silicon – superior thermal stability
The low coefficient of thermal expansion of silicon (2.6 × 10⁻⁶/K) maintains mirror flatness under temperature variations, preventing laser beam deviation during extended operations.

Compatibility

• CO2 laser machines 40W – 150W for engraving and cutting
• Laser systems for wood, acrylic, MDF, leather, textiles
• Standard laser heads with 25 mm mirror holder
• Industrial laser marking systems
• Compatible with standard K40, 6040, 9060 mirror holders

Care and Cleaning

• Clean with 99% isopropyl alcohol and optical swabs
• Gentle circular motions from centre outwards
• Do not touch the reflective surface with fingers
• Store in protective box when not in use
• Replace mirror when you notice a decrease in cutting power

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