Thulium doped yttrium fluoride lithium (Tm: YLF) crystal possesses the advantage of low nonlinear thermo optic constant, refractive index as well as high beam quality output. Due to such advantage of Tm: YLF, it is widely used in the fields of scientific research, education, production and other optoelectronic fields. The pump wavelength of Tm: YLF crystal is 792 nm, and the output wavelength is 1900 nm of the linear polarized laser.
| Laser Transition | 3F4→3H6 |
| Laser Wavelength | π:1880 nm; σ:1908 nm |
| Absorption Cross-section at Peak | 0.55×10-20 cm2 |
| Absorption Bandwidth at Peak Wavelength | 16 nm |
| Absorption Peak Wavelength | 792 nm |
| Lifetime of 3F4 Thulium Energy Level | 16 ms |
| Quantum Efficiency | 2 |
| Non-linear Index n2 | 0.6 x 10-13 |
| Optical Quality | < 0.3 x 10-5 |
| Refractive Index @1064 nm | no=1.448, ne=1.470 |
| Laser Induced Damage Threshold | >10 J/cm2@1900 nm, 10 ns |
| Coatings | R<0,5% @792 nm + R<0,15% @1800-1960 nm on both sides; custom coatings also available |
Go To Crylink Website To Get More Information About This Product.
