2″ Hard Gold Coated Copper Flat Laser Mirror – Laboratory Grade
2″ diameter x 3/8″ thick
Concave and convex are available.
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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 Smoothness||45Å RMS||30Å RMS|
|Damage Threshold (1)||105 J/cm2 √ s||>2.5 x 105 J/cm2 √ s|
|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, “Metal Mirrors Selection Guide”
Standard Mirror Sizes
|Outside Diameter||Thickness||Approximate Weight|
Larger Mirrors Available. Email us your sizes and specifications