| Material | Size | Thickness | Refractive index | Material Density | Expansivity | Young’s modulus Knoop | Knoop hardness |
| Unit | mm | mm | nd(20 °C) | g/cm3 | α(20-300 °C) | kN/mm2 | HK0.1/20 |
BOROFLOAT  33 |
1150 x 850 | 0.7 - 25.4 | 1.4714 | 2.2 | 3.25 x 10-6 K-1 | 64 | 480 |
| D 263T Eco | 440 x 360 | 0.1 - 1.1 | 1.5231 | 2.51 | 7.2 x 10-6 K-1 | 72.9 | 590 |
| B 270i | 258 x 406 | 0.7 - 17 | 1.523 | 2.56 | 9.4 x10-6 K-1 | 71.1 | 500 |
| Wafer | |
| Sizes: | Typically from 1inch to 4 inch |
| Thickness: | Typically 0.5mm and 1.0mm |
| Clear Aperture: | Central 90% of diameter |
| Flatness: | From 1/4th wave to 2 wave |
| Parallelism: | From 5 arcsec to 15 arcsec |
| Surface Quality: | 10-5 and 20/10 |
| Rouoghness: | 5 angstrom to 10 angstrom |
| Material: | Quartz,LiTaO3,LiNbO3,MgO doped LiNb |
| Windows | |
| Sizes: | 4mm to 300mm |
| Thickness: | From 0.3mm to 30mm |
| Clear Aperture: | Central 90% of diameter |
| Flatness: | 1/10th wave |
| Parallelism: | 1 arcsec |
| Surface Quality: | 20-10 or better |
| Shapes: | Circular, rectangular and special shapes |
| Material: | Optical glasses,Fused Silica,B270,D263T,BOROFLOAT33 |
