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Chromium-Thulium-Holmium doped Yttrium Aluminum Garnet

Material
CTH:YAG

 

Chromium-Thulium-Holmium doped Yttrium Aluminum Garnet (CTH:YAG) is a crystal which lasers at 2080nm wavelength. This highly efficient crystal can be either flash-lamp or diode pumped and has applications in meteorological and military fields. Besides due to its high optical quality, low scattering losses and high efficiency CTH:YAG laser crystals are widely used in medical fields like dentistry, therapeutic and surgery.

Properties
Optical and spectral properties
Lasing wavelength in nm
2080
Brechungsindex @ 2080 nm
1,8
Physical properties
Density in g/cm3
4,7
Melting point in °C
1950
Crystal structure
cubic
Thermal conductivity in W/(cm · K)
0,13
Thermal expansion in 1/K
7,7 · 10-6, <111>

8,2 · 10-6, <100>

Mohs hardness
8,5
Dopant concentration in %
0,85 %(Cr) 5,9%(Tm) 0,36%(Ho)
Orientation
<100>

<111>

Lattice constant in Å
12,0
Dielectric constant
11,7
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