Cold Mirror Φ25.0x2mm Angle of Incidence 45° | GU OPTICS
Cold Mirror Φ25.0x2mm Angle of Incidence 45°

Cold Mirror Φ25.0x2mm Angle of Incidence 45°

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Product No. 258520

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Dia Φ25.0x2mm
Angle of Incidence 45°
Parallelism <1arcmin
Material Borosilicate-glass-BorofloatTM
Surface Accuracy <5λ/25mm2@633nm
Surface Quality 60/40-80/50
Diameter Tolerance of Circular Substrate +0.0/-0.25mm
Tolerance of square (rectangular) substrate -
Thickness Tolerance ±0.2mm
Transmission Tavg<90% @750~1150nm
Reflection Ravg<95% @425~675nm
Our cold & hot mirrors are made of high quality heat-resistant borosilicate glass material. The surface is coated with high quality multi-layer dielectric coating. Hot Mirrors have a high transmission of visible light and high reflection of IR wavelengths. Cold Mirrors have a high transmission of IR wavelengths and high reflection of visible light. Hot mirrors can reduce heat and minimize impact on overall system performance. For high power illumination, additional air cooling is recommended.
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