Yb:YAG – Laser crystal
Ytterbium-doped yttrium aluminum garnet (Yb:YAG) crystal is one of the most promising laser-active materials, suitable for high-power diode-pumped lasers and other optical applications.
Yb:YAG crystals have an 18 nm wide absorption band at 940 nm, very low fractional heating (<11%), very high slope efficiency (>56%), high mechanical strength, and high thermal conductivity. They are more suitable for diode-pumping than traditional Nd-doped systems: compared to Nd:YAG crystal, Yb:YAG has a longer upper-state lifetime and three to four times lower thermal loading per unit of pump power.
Altechna can offer Yb:YAG crystals with various doping concentrations and dimensions, as well as right angles and Brewster angle cuts, plus high-quality polishing. For right-angle cut crystals, we make HR+HT and AR coatings. Coated thin-disk crystals are also available.
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