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.