Cr:ZnS and Cr:ZnSe Laser Crystals
Cr:ZnS and Cr:ZnSe Laser Crystals
Cr:ZnS and Cr:ZnSe laser crystals typically show no excited-state absorption or up-conversion. They possess an extremely broad absorption band and a large emission cross-section. HJ Optronics supplies them as polished blocks, windows and discs, grown and finished to the customer specification.
Key Features
- No excited-state absorption or up-conversion
- Extremely broad absorption band
- Large emission cross-section
- Supplied as polished blocks, windows and discs
- Cubic crystal structure, Mohs hardness 8.5
- Good thermal conductivity (14 W/m.K at 20 degC)
Specifications
| Parameter | Specifications |
|---|---|
| Crystal structure | Cubic crystal system |
| Density | 5.27 g/cm³ |
| Durability (Knoop hardness) | 112 kgf/mm² |
| Specific heat | 0.79 J/g·K |
| Mohs hardness | 8.5 |
| Thermal expansion coefficient @ 20ºC | 1.5×10-6/ºC |
| Thermal conductivity @ 20ºC | 14 W/m·K |
| Orientation | <111>or <100> |
Data Sheet: Cr:ZnS and Cr:ZnSe Laser Crystals (PDF)
Dimensions, doping levels and coatings are made to order - send us your specification for a quotation.