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Diameters 19mm, 20mm, 25mm, 30mm, 38.1mm, thickness 3mm. Material: Si, for co2 lasers
time：2019-06-13 11:44
Specifications
Mateial: Gold-coated Si
Wavelength: 10.6 μm
Diameter Tolerance: +0/-0.13 mm
Thickness Tolerance: ±0.25 mm
FL Tolerance: < ±2%
Centration: < 3 arc minutes
Clear Aperture: > 90%
Surface Figure: < λ/2 per 1 inch diameter
Surface Quality: 40-20 scratch and dig
AR/AR coating: R < 0.5% per surface
| mm | inch |
| 19 | 0.741 |
| 20 | 0.78 |
| 25 | 0.975 |
| 30 | 1.17 |
| 38.1 | 1.4859 |
Price：
$
16.50
original：
$18.00
