Русский
Deutsch
Español
Français
Yb:YAG for High Power Diode-pumped Lasers
Advantages of Yb:YAG Crystal Made by WISOPTIC
Simple electronic structure excludes excited-state absorption and also a variety of detrimental quenching processes
Broad absorption band at 940 nm
Long lifetime of the 2F5/2 ytterbium energy level
Low quantum defect
Custom crystals available upon request
Yb:YAG's advantage is a wide pump band and an excellent emission cross section. It is ideal for diode pumping. The broad absorption band enables Yb:YAG to maintain uninterrupted pump efficiency across the typical thermal shift of diode output. High efficiency means a relatively small dimension Yb:YAG laser crystal will produce high power output. Based on the YAG host crystal, Yb:YAG can be quickly integrated into the laser design process. This combination of properties enables straightforward elegant laser designs, and allows high powered lasers to be manufactured more easily ; Yb:YAG. Laser designers can apply their depth of experience.
Wisoptic offer excellent quality Yb:YAG crystals with dopant concentrations ranging from 0.2-30% Yb in various dimensions and orientations in both coated and uncoated forms, in both rods and discs shapes, that meet your exact specifications.
Application examples
Material processing, micromachining, welding, cutting
Efficient high power thin-disk lasers
Material and Specifications
Dopant concentration: Yb: 0.5~25 at %
Orientation: [100] or [111] within 5°
Wavefront distortion: ≤ 0.125 l/inch
Extinction ratio: ≥ 28 dB
Rod sizes: diameter: 2~20 mm; length: 5~150 mm (upon request of customer)
Dimensional tolerances diameter: +0.00“/– 0.002“ mm
length: ±0.02"
Barrel finish ground finish: 400# grit
Parallelism: ≤10"
Perpendicularity: ≤ 5'
Flatness: lambda/10
Surface quality: 10 – 5 (MIL-O-13830A)
Chamfer: 0.006" ± 0.002" at 45°± 5°
AR coating reflectivity: ≤ 0.25 % (@1030 nm)
Single pass loss: < 3×103 cm-1
