Cold Mirrors

Off-Axis Parabolic Mirror
Convex Spherical Mirrors
Spherical Mirror
Precision Reflector
Right Angle Mirror
Cold Mirrors
Ultra-Broadband Metallic Mirrors
Metallic Mirrors
Copper and Aluminum Mirrors


Shanghai Optics is a custom optics manufacturer with over 55 years of optics manufacturing experience. 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.

Factory Standard

  • High visible reflectance
  • Excellent infrared transmission
  • Durable coatings will survive extreme heat and high humidity

Contact us for manufacturing limit or custom specifications.


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

Part Number Mirror Shape Dimensions
“Diameter, D or Side, axb”
(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

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