Quartz
Crystal quartz is a positive uniaxial birefrigent single crystal. we select the best quality quartz, which has min inclusions and refractive index variation as the raw material of our components. Quartz is commonly used for high damage threshold waveplates.
Specifications:
| Diameter: | Max 100m |
| Length: | Max 100mm |
| Surface Quality: | better than 20/10 scratch/dig |
| Parallelism: | < 10 arc sec |
| Optical Axis Orientation: | +/-0.2deg |
| Flatness: | < l/8 @632.8nm |
| Wavefront Distortion: | < l/4@632.8nm |
| Coating: | Coating upon Request |
Physical and Optical Properties
| Transparency Range : | 200-2300nm |
| Crystal Class : | Positive Uniaxial |
| Hygroscopic Susceptibility | Low |
| Mohs Hardness | 7 |
| Thermal Expansion Coefficients | aa=6.2x10-6/k ac=10.7x10-6/k |
| Optical Homogeneity: | 10-6/cm |
| Refractive Index, Birefringence(??n=ne-no) and Walk-Off Angle at 45 deg(?ѩ | no=1.5427 ne=1.5518 |