Economy Front Surface Mirrors
Features- Round and Square Versions Available
- Choose from Protected Aluminum, Silver, or Gold Coating
Our protected aluminum, silver, and gold coatings exhibit exceptional broadband reflectivity and are practical for many applications that are insensitive to the wavefront of a beam. Other typical uses for these mirrors include single-use applications where the experiment itself damages the mirror. A variety of diameters and square sizes are offered, including an 8" x 8" protected aluminum version. | Coating | Protected Aluminum | Protected Silver | Protected Gold |
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| Substrate | Float Glass | | Thickness | 3.2 ± 0.25 mm | | Reflectivity | Ravg > 90% from 450 nm - 2 µm Ravg > 95% from 2 - 20 µm | Ravg > 97.5% from 450 nm - 2 µm Ravg > 96% from 2 - 20 µm | Ravg >96% from 800 nm - 20 µm | | Damage Threshold | 0.3 J/cm2 1064 nm, 10 ns, 10 Hz, Ø1.000 mm | 3 J/cm2 1064 nm, 10 ns, 10 Hz, Ø1.000 mm | 2 J/cm2 1064 nm, 10 ns, 10 Hz, Ø1.000 mm | | Front Surface Flatness | <5λ/in2 @ 633 nm | | Diameter Tolerance | +0.0/-0.25 mm | | Clear Aperture | >90% of Surface | | Surface Quality | 60-40 Scratch-Dig |
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All data shown below is for unpolarized light, unless otherwise stated. The shaded regions in the graphs denote the ranges over which we recommend using these optics. Protected Aluminum Coating (450 nm - 20 µm)Protected Silver Coating (450 nm - 20 µm)Protected Gold Coating (800 nm - 20 µm)
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Additional Metallic Mirrors
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