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High purity synthetic quartz glass with low hydroxyl content (OH<250ppm) and excellent optical properties
Large aperture reflector, lens, window mirror
Customizable optical uniformity and stress birefringence. Has high transmittance in the 355nm, 532nm, 1064nm and other wavelength bands.
Metal impurity content(Unit: ppm)
| Metal impurity content | Li | Na | K | Mg | Ca | Cu | Al | Cr | Fe | Ti | OH |
| YS-2330 | ≤0.001 | ≤0.005 | ≤0.005 | ≤0.005 | ≤0.005 | ≤0.001 | ≤0.005 | ≤0.001 | ≤0.001 | ≤0.008 | <250 |
Product Features
| Model | Optical uniformity (ppm) | Stress birefringence (nm/cm) | Bubble | Stripe level | Fluorescence |
| YS-2330 | ≤5 | ≤5 | 0 | 5 | nothing |
Heat absorption coefficient
| Model | Heat absorption coefficient @ 1064nm (ppm/cm) |
| YS-2330 | <3 |
optical performance
Refractive index performance
| Spectral line wavelength (nm) | Refractive index | Spectral line wavelength (nm) | Refractive index |
194.2 | 1.559066 | 632.8 | 1.457158 |
| 365 | 1.474671 | 643.8 | 1.456845 |
| 404.6 | 1.469755 | 656.3 | 1.456506 |
| 435.8 | 1.466831 | 706.5 | 1.455286 |
| 479.9 | 1.463639 | 852.1 | 1.452608 |
| 486.1 | 1.463261 | 1013.98 | 1.450390 |
| 546.1 | 1.460218 | 1529.6 | 1.444422 |
| 587.6 | 1.458602 | 1970.1 | 1.438731 |
| 589.3 | 1.458542 | 2325.4 | 1.433034 |
Sellmeier dispersion constant
| Model | B1 | C1 | B2 | C2 | B3 | C3 | B4 | C4 |
| YS-2330 | 0.124307 | 0.006456 | 0.823954 | 0.006473 | 0.156097 | 0.017157 | 0.673277 | 74.923787 |
Mechanical performance
| Parameters | Company | Test result |
density | g/cm3 | 2.20 |
| Mohs hardness | - | 7 |
| Young's modulus | GPa | 74.20 |
| shear modulus | GPa | 31.22 |
| Poisson's ratio | - | 0.17 |
| compressive strength | GPa | 1.13 |
| tensile strength | MPa | 49 |
| bending strength | MPa | 94.3 |
Electrical performance
Parameter | Company | Test result |
| Dielectric constant (20°C, 500MHz) | - | 3.9 |
| Electrical resistivity (20°C) | Ω·cm | 0.1*1018 |
| Dielectric loss angle (tanδ, 500MHz) | - | <0.001 |
| Resistance | Ω | 8.0*1015 |
Thermal Properties
Parameter | Company | Test result |
Strain point (η=1014.5dPa·s) | °C | 1000 |
| Annealing point (η=1013dPa·s) | °C | 1160 |
| Softening point (η=107.6dPa·s) | °C | 1620 |
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