Nd:GGG(Neodymium Doped Gadolinium Gallium Garnet) – Laser Crystal – Gain Medium – Customized Products
Nd: GGG crystal products, also known as Nd: Gd3Ga5O12 crystal. It is a kind of laser crystal product with excellent comprehensive performance. It is widely used in LD pump and laser working material field. The product has the characteristics of large stimulated emission cross section, high thermal conductivity and long emission time. Can be used in flash, solid state heat capacity laser, high power LD pumped Nd: GGG laser products.
Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.
Features
Long launch time
High laser efficiency
Low damage threshold
High thermal conductivity
High specific heat capacity
Large stimulated emission cross section
Standard
Doping Concentration | 0.5~3at.% |
Orientation | [111] within± 5º |
Wavefront Distortion | ≤ 0.5λ/inch@632.8 nm (for the rod) |
Extinction Ratio | ≥ 20dB @632.8 nm (for the rod) |
Size | Diameter: 2~70mm, Length: 3~100mm |
Dimensional Tolerance | Diameter:+0.00″/-0.002″, Length: ± 0.02″ |
Barrel finish | Ground Finish with 400# Grit or polished |
Parallelism | ≤ 10 arcsec (for the rod) |
Flatness | ≤λ/4@632.8nm (for the rod) |
AR Coating Reflectivity | ≤0.25% @1060nm |
Physical and Chemical Properties
Crystal Structure | Cube |
Lattice Constant | 12.383 Å |
Mohs Hardness | 8 |
dn/dT | 17×10-6/K |
Poisson Ratio | 0.28 |
Melting Point | 1725°C |
Density | 7.1 g/cm3 |
Thermal Expansion | 8×10-6C-1 |
Optical and Spectral Properties
Laser Conversion | 4F3/2→4I11/2 |
Laser wavelength | 1060nm |
Fluorescence Lifetime | 240μs |
Refractive Index | 1.94@1060nm |
Diode Pump Belt | 808nm, 881nm |