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Precision Flat Mirrors
- Material: UV fused silica, BK7
- Clear Aperture: larger than central 85% of diameter
- 1st Surface: λ/10 @633nm over clear aperture, 10-5 Scratch-Dig
- 2nd Surface: Commercial polish
- Diameter tolerance: +0.000/-0.010" (+0.00/-0.25mm)
- Thickness tolerance: ±0.010" (±0.25mm)
- Wedge: ≤5 arc min
- Bevel: <0.5mm @45° typical
Product Lists
| Windows | Part Number | Price (USD) | ||
| Diameter (D) | Thickness (T) | Material | ||
| 0.5" (12.7mm) | 1/4" (6.35mm) | Fused silica | PM0525-FS | $45 |
| BK7 | PM0525-BK | $37 | ||
| 0.75" (19.1mm) | 1/4" (6.35mm) | Fused silica | PM0725-FS | $55 |
| BK7 | PM0725-BK | $41 | ||
| 1.0" (25.4mm) | 1/4" (6.35mm) or 3/8" (9.53mm) |
Fused silica | PM1025-FS PM1037-FS |
$65 |
| BK7 | PM1025-BK PM1037-BK |
$50 | ||
| 1.5" (38.1mm) | 1/4" (6.35mm) or 3/8" (9.53mm) |
Fused silica | PM1525-FS PM1537-FS |
$90 |
| BK7 | PM1525-BK PM1537-BK |
$66 | ||
| 2.0" (50.8mm) | 1/4" (6.35mm) or 3/8" (9.53mm) |
Fused silica | PM2025-FS PM2037-FS |
$110 |
| BK7 | PM2025-BK PM2037-BK |
$87 | ||
| 3.0" (76.2mm) | 1/2" (12.7mm) | Fused silica | PM3050-FS | $280 |
| BK7 | PM3050-BK | $220 | ||
| 4.0" (101.6mm) | 1/2" (12.7) | Fused silica | PM4050-FS | $395 |
| BK7 | PM4050-BK | $340 | ||
NOTE:
-
Usually 0.5-2.0" diameter substrates are in stock. Please check up the delivery for the larger substrates with us. It usually takes ~3-5 weeks if we don't have any in stock.
- Some other sizes and/or thicknesses may be available. Please contact us for other custom size windows.
- Please refer to the coating service section for the detailed coating specs available.
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