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High purity synthetic quartz glass with low hydroxyl content (OH<250ppm)
Industrial laser small-sized protective mirrors, window mirrors, etc
It has high transmittance in the 355nm, 532nm, 1064nm and other wavelength bands, with a typical size of 500 * 240mm. It can be used for small-sized (Φ ≤ 100mm) optical devices that require low absorption and low metal impurity content, such as window mirrors, protective mirrors, reflectors, etc.
Metal impurity content(Unit: ppm)
| Metal impurity content | Li | Na | K | Mg | Ca | Cu | Al | Cr | Fe | Ti | OH |
| YS-330L | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | <250 |
Product Features
| Model | Typical dimensions (mm) | Optical uniformity (ppm) | Stress birefringence (nm/cm) | Stripe level |
| YS-330L | 500(±10)*240(±10)*70(±10) | NS | NS | NS |
Mechanical performance
| Parameter | Company | Test result |
Density | g/cmthree | 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) | - | 3.90 |
| Electrical resistivity (20 ° C) | Ω·cm | 0.1*1018 |
| Dielectric loss angle (tan δ, 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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