VPCF40DUVQ-L-VAR1550 Fused Silica with Laser Line Coating Fused Silica with Laser Line Coating
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| Category | UHV fused silica viewport, optical, VAR-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 | Laser line AR |
| Article no. | 343644 |
| 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 | 70 mm |
| Outer diameter | 2.756 ″ |
| Length | 12,7 mm |
| Length | 0.5 ″ |
| View diameter | 1.378 ″ |
| Window mounting | Brazed |
| Window thickness | 3 mm |
| Reflectivity per surface | R < 0,25% |
| Surface quality | 20/10 (scratch/dig) |
| Wavelengthrange | 1550 nm |
| Window material | Fused Silica (laser-grade) |
| Transmission range | appr. 250 - 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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