4″ Hard Coated or Bare Uncoated Flat Laser Mirror – Industrial Grade

4″ diameter x 3/4″ thick


Concave and convex are available.

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Email us for other sizes and custom configurations: sales@spawrindustries.com

For International customers, please click this link.

Uncoated copper mirrors by SPAWR offer the highest quality and surface damage threshold available for medium and long wave IR lasers. Coatings on these mirrors are typically not required, however, they are available with a vacuum deposited protected silver coating or an electrochemically deposited hard gold coating.

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Description Industrial Grade Laboratory Grade
Reflectivity 99% @ 10.6 µ 99% @ 10.6 µ
Surface Accuracy λ/10 @ 10.6 µ λ/20 @ 10.6 µ
Surface Smoothness 45Å RMS 30Å RMS
Scratch/Dig 60/40 20/10
Damage Threshold See Footnote See Footnote
Material High Purity Copper High Purity Copper
Flatness or Sphericity for mirrors larger than 6″ diameter λ/5 @ 10.6 µ and 45Å RMS λ/10 @ 10.6 µ and 35Å RMS

(1) SPAWR, Laser Metal Mirror Selection Guide


Standard Mirror Sizes

Industrial Grade
Catalog No.
Outside Diameter Thickness Approximate Weight
(mm) (inches) (mm) (inches)
ICu-061 101.6 4 19.0 0.75 3 lb.

Larger Mirrors Available. Email us your sizes and specifications

Additional information

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