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Cold Mirrors
 
Our 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 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.
 
cold mirrors
 
Key Features
High visible reflectance
Excellent infrared transmission
Durable coatings will survive extreme heat and high
    humidity
 
 
Specifications & Tolerances
Dimensions: +0.5mm Material: Float glass
Thickness: +0.3mm Max temperature: 600
Surface flatness: 3per inch Surface Quality: 80-50
AOI: 45°+/-5°
Coating: R>95% avg 420-700nm
  R>20% avg 800-2500nm
Cold Mirrors
All measurements in nm
Part Number
Mirror Shape
Dimensions
"Diameter, D or Side, axb"
Thickness

(Inches)
(nm)
(nm)

Round
1
25.4
3.3
 
Round
2
50.8
3.3
Square
1.00 x 1.00
25.4 x 25.4
3.3
Square
2.00 x 2.00
50.8 x 50.8
3.3