VPCF40EUVQ-L-BBAR1 Fused Silica with Broadband Coating Fused Silica with Broadband Coating
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| Category | UHV fused silica viewport, optical, BBAR-coated |
|---|---|
| Bakeout temperature | 392 °F |
| Max. bakeout temperature | 200 °C |
| Window thickness | 0.118 ″ |
| Maximum heating rate | 20 K/min |
| Coated diameter | > 27 mm |
| Coating type | Broadband AR |
| Article no. | 406946 |
| Connection type | CF |
| Nominal diameter | 40 |
| Leakrate | < 1E-10 mbar ∙ l/s |
| Min. operating temperature | -100 °C |
| Min. operating temperature | -148 °F |
| Max. operating temperature | 200 °C |
| Max. operating temperature | 392 °F |
| Outer diameter | 69,9 mm |
| Outer diameter | 2.752 ″ |
| Length | 12,7 mm |
| Length | 0.5 ″ |
| View diameter | 1.378 ″ |
| Window mounting | Brazed |
| Window thickness | 3 mm |
| Reflectivity per surface | Ravg < 1,5% |
| Surface quality | 20/10 (scratch/dig) |
| Wavelengthrange | 225-450 nm |
| Window material | Fused Silica (EUV laser-grade) |
| Transmission range | appr. 190 - 2000 nm |
| View diameter | 35 mm |
| Flatness (at 632,8 nm) | < lambda/4 |
| Homogeneity (index variation over clear aperture) | < 1 ppm |
| Inclusions (cross section per 100 cm³ of glass) | < 0.03 mm² |
| Purity class | PCS |
| Parallelism | < 10" |
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