Typical Doping Level |
15@.% |
Refractive Index (@2070nm) |
no=1.442, ne=1.464 |
Thermo-optic Coefficient(10-6·K-1) |
-2(∥a), -4.1(∥c) |
Lifetime of 4I11/2 Erbium Energy Level(ms) |
4 |
Emission Cross Section(10-20/cm2) |
1.5@2800nm |
Absorption Peak Wavelength |
972nm |
Absorption Coefficient at Peak Wavelength |
28cm-1 |
Absorption Bandwidth at Peak Wavelength |
~1nm |
Laser Wavelength |
2810nm |
Absorption and Emission Spectrum

Feature
- A low phonon frequency
- Long lifetimes of the laser emitting levels
- Wide transparency range (from the VUV to the 10 μm region)
- Negative thermo-optic coefficient
- Custom crystals available upon request
Application
- CW and Q-switched ~3 μm lasers for oral surgery, dentistry, implant dentistry, and otolaryngology
- Up-conversion visible lasers for display technology, medicine (diagnosis and treatment)