
- STANDARD MIRROR BLANKS
-
Your One-Stop Source for Mirror blanks and Substrates !
The optical lens supplier 3L-Systems provides laser quality mirror blanks at competitive prices.
Mirror blanks are made of BK7, UV Fused Silica, or ZEORDUR®.- λ /10 surface flatness
- 10-5 laser quality
PLANE MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica, BK7, or Zerodur |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | 10-5 laser quality |
| S2 Surface Quality | Commercial polish |
| Parallelism | < 3 arc min . |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |
CONVEX SPHERICAL MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica or BK7 |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | λ /10 @ 633nm |
| S2 Surface Quality | 10-5 laser quality |
| Focal Length Tolerance | ± 0.5% |
| Centration Error | < 3 arc min . |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |
CONCAVE SPHERICAL MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica or BK7 |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | λ /10 @ 633nm |
| S2 Surface Quality | 10-5 laser quality |
| Focal Length Tolerance | ± 0.5% |
| Centration Error | < 3 arc min . |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |
SQUARE MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica or BK7 |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | 10-5 laser quality |
| S2 Surface Quality | Commercial polish |
| Parallelism | < 3 arc min. |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |
RECTANGULAR MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica or BK7 |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | 10-5 laser quality |
| S2 Surface Quality | Commercial polish |
| Parallelism | < 3 arc min. |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |
ELLIPTICAL MIRROR BLANKS
SPEC
| Substrate | UV Fused Silica or BK7 |
|---|---|
| Diameter Tolerance | +0.0/-0.20 mm |
| Thickness Tolerance | ±0.25 mm |
| S1 Surface Quality | 10-5 laser quality |
| S2 Surface Quality | Commercial polish |
| Parallelism | < 3 arc min. |
| Clear Aperture | > 85% of diameter |
| Edge Bevel | 0.3mm face width at 45˚ |







