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Acton Optics & Coatings
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Mirror Blanks / Windows
Acton mirror blanks and windows are made from select grades of the finest available materials. These windows are available with high efficiency antireflection coatings. Transmittance traces for windows are provided for an additional charge.
Mirror Blanks -
Suitable for high power laser mirrors and beamsplitter substrates |
| Material |
Diameter |
Thickness |
Part Number |
| UV Laser-grade Fused Silica |
0.5" (12.7mm) |
0.250" |
.5D-MB |
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1.0" (25.4mm) |
0.250" |
1D-MB |
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1.5" (38.1mm) |
5mm |
1.5D-MB |
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2.0" (50.8mm) |
0.375" |
2D-MB |
| Additional Specifications |
| Surface Figure: 1st surface </= 1/10 wave at 632.8nm, 2nd surface </= 1/4 wave |
| Surface Finish: 20-10 scratch-dig |
| Parallelism: 3 arc minutes or better |
| Chamfer: 0.5mm x 45º nominal |
| Clear Aperture: Central 80% |
| Diameter Tolerance: +0.00"/-0.005" |
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Flat Laser Windows -
Suitable for high power laser applications and as substrates for mirrors & beamsplitters |
| Material |
Diameter |
Thickness |
Part Number |
| UV Laser-grade Fused Silica |
1.0" (25.4mm) |
0.250" |
1D-FL |
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1.5" (38.1mm) |
5mm |
1.5D-FL |
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2.0" (50.8mm) |
0.375" |
2D-FL |
| VUV MgF2 |
1.0" |
0.250" |
1D-FLM |
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1.5" |
5mm |
1.5D-FLM |
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2.0" |
0.375" |
2D-FLM |
| VUV CaF2 |
1.0" |
0.250" |
1D-FLC |
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1.5" |
5mm |
1.5D-FLC |
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2.0" |
0.375" |
2D-FLC |
| Additional Specifications |
| Surface Figure: </= 1/10 wave at 632.8nm, both surfaces |
| Surface Finish: 20-10 scratch-dig, both surfaces |
| Parallelism: 3 arc minutes or better |
| Chamfer: 0.5mm x 45º nominal |
| Clear Aperture: Central 80% |
| Diameter Tolerance: +0.00"/-0.005" |
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VUV-UV Grade Windows -
Suitable for general applications |
| Material |
Diameter |
Thickness |
Part Number |
| UV Grade Fused Silica |
0.5" (12.7mm) |
2mm |
FS-.5D |
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1.0" (25.4mm) |
2.5mm |
FS-1D |
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1.5" (38.1mm) |
5mm |
FS-1.5D |
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2.0" (50.8mm) |
4mm |
FS-2D |
| VUV MgF2 |
0.5" |
2mm |
MF-.5D |
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1.0" |
2.5mm |
MF-1D |
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1.5" |
5mm |
MF-1.5D |
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2.0" |
5mm |
MF-2D |
| VUV CaF2 |
0.5" |
2mm |
CF-.5D |
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1.0" |
2.5mm |
CF-1D |
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1.5" |
5mm |
CF-1.5D |
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2.0" |
5mm |
CF-2D |
| Additional Specifications |
| Surface Figure: </= 2 waves at 632.8nm, both surfaces |
| Surface Finish: 20-10 scratch-dig, both surfaces |
| Parallelism: 3 arc minutes or better |
| Chamfer: 0.5mm x 45º nominal |
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