Thulium Fluoride TmF3

Product Properties

Name: Thulium Fluoride
Formula: TmF3
CAS No.: 13760-79-7
Molecular Weight: 225.93
Density: N/A
Melting point: 1158 °C
Appearance: White crystalline

Specification of Thulium Fluoride

 
Product Code6940694169436945
Grade99.9999%99.999%99.99%99.9%
CHEMICAL COMPOSITION    
Tm2O3 /TREO (% min.)99.999999.99999.9999.9
TREO (% min.)81818181
Rare Earth Impuritiesppm max.ppm max.ppm max.% max.
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO		0.1
0.1
0.1
0.5
0.5
0.5
0.1		1
1
1
5
5
1
1		10
10
10
25
25
20
10		0.005
0.005
0.006
0.45
0.01
0.005
0.055
Non-Rare Earth Impuritiesppm max.ppm max.ppm max.% max.
Fe2O3
SiO2
CaO
CuO
NiO
ZnO
PbO		1
5
5
1
50
1
1
1		3
10
10
1
100
2
3
2		5
50
100
5
300
5
10
5		0.002
0.01
0.032
0.001
0.032
0.061
0.001
0.001

 

Application of Thulium Fluoride

  • Optical Materials: Thulium fluoride is utilized in the production of optical materials because of its excellent transparency in the visible and near-infrared regions. It is used in the manufacture of optical fibers and laser materials. Its ability to transmit light efficiently makes it an ideal component in optical coatings applied to lenses and other optical devices, enhancing their performance and durability.

  • Solid-State Lasers: Similar to thulium-doped YAG lasers, TmF3 can be used to dope crystalline hosts for solid-state lasers. These thulium-doped lasers are particularly valuable for their operation in the 2 μm wavelength range, which is important for medical applications, such as in dermatology and surgery, where precise cutting with minimal heat damage to surrounding tissues is crucial.

  • Glass Manufacturing: In the glass industry, thulium fluoride is added to certain glass formulations to modify their optical properties. It can be used to produce specialty glasses with high refractive indices or specific infrared absorption characteristics. These specialized glasses find applications in scientific instruments, high-precision optics, and photonics.

  • Nuclear Reactors: Thulium has potential uses in nuclear technology, owing to certain isotopes that absorb neutrons. Thulium fluoride could be utilized in the nuclear fuel cycle or in control rods within nuclear reactors, although this application is more theoretical and subject to ongoing research due to thulium’s rarity and cost.