Cold Mirrors
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HeatBuster™ Cold Mirrors
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High visible reflectance
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Excellent infrared transmission
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Durable coatings will survive extreme heat and high humidity
Our HeatBuster™ cold mirrors are perfect for applications that require high reflectance in the visible spectrum and excellent transmission in the infrared. These cold mirrors are manufactured using a special proprietary all dielectric coating technique that yields the most durable commercially available product. Our HeatBuster™ cold mirrors will pass MIL-C-675, snap tape tests and are capable of operation at temperatures as high as 600 degrees C. They will also operate and survive in extreme humidity environments.
Cold mirrors are available from stock in one inch and two inch diameter round or one inch, two inch and four inch square configurations. Larger sheets are also available and may be cut into custom sizes.
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| Dimension (mm) | Thickness (mm) | Material | Flatness | Surface Quality | Dimensions tolerance | Thickness tolerance | Temperture Max | AOI | Coating |
|---|---|---|---|---|---|---|---|---|---|
| 25.4 | 3.3 | Borofloat glass | 3λ per inch | 80 - 50 | ±0.5mm | ±0.3mm | 600 degrees C | 45 ± 5 degrees | R>95% avg 420-700nm, R<20% avg 800-2500nm |
| 50.8 | 3.3 | Borofloat glass | 3λ per inch | 80 - 50 | ±0.5mm | ±0.3mm | 600 degrees C | 45 ± 5 degrees | R>95% avg 420-700nm, R<20% avg 800-2500nm |
| 25.4 x 25.4 | 3.3 | Borofloat glass | 3λ per inch | 80 - 50 | ±0.5mm | ±0.3mm | 600 degrees C | 45 ± 5 degrees | R>95% avg 420-700nm, R<20% avg 800-2500nm |
| 50.8 x 50.8 | 3.3 | Borofloat glass | 3λ per inch | 80 - 50 | ±0.5mm | ±0.3mm | 600 degrees C | 45 ± 5 degrees | R>95% avg 420-700nm, R<20% avg 800-2500nm |