CTH:YAG is the Laser crystal for medical application with an emission wavelength of 2.1µm.

Material Parameters

Host crystal Y3Al5O12
Lattice type garnet, cubic
Dopant concentrations Ho    0,5 x 1020 cm-3
Tm    8 x 1020 cm-3
Cr      1.8%
Emission wavelength 2080 nm
Fluorescence lifetime 8.5 ms
Crystallographic orientation [111]
Index of refraction 1,802 @ 2100 nm


Laser rods with length up to 160 mm, diameter 1 to 7 mm (standard specifications)


Coatings upon request