Cr:Al2O3 – Laser Crystal – Gain Medium – Customized products
Cr:Al2O3 crystal products, also known as Ruby. It is a kind of laser crystal product with excellent comprehensive performance. It is widely used in optics and solid-state lasers. The product has the characteristics of high hardness and obvious dichroism. Can be used in optical glass, watch parts, ruby laser products.
Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.
Features:
Hardness is high
Obvious dichromeity Solid
Hardness is high
Obvious dichromeity Solid
Basic Parameters
Chemical Formula | Cr3+:Al2O3 |
Crystal Structure | Hexagonal |
Lattice Constant (Å) | a = 4.748; c = 12.957 |
Crystal System | Triangular |
Axial Propertie | Uniaxial |
Growth method | CZ |
Melting Point | 2040℃ |
Refractive Index | np = 1.759; nm = 1.767 |
Birefringence | 0.0082 |
Density (g/cm3) | 3.98 |
Mohs Hardness | 9 |
Specific Heat Capacity @18℃ (J kg-1 K-1) | 761 |
Thermal Conductivity @25°C (W cm-1 K-1) | |
Perpendicular to the C axis | 0.35 |
Parallel to the C axis | 0.33 |
Thermal Expansivity (20 – 100°C) | |
Perpendicular to the C axis | 4.78×10-6 K-1 |
Parallel to the C axis | 5.31×10-6 K-1 |
Standard
Tuning Range (nm) | 680 – 1100 |
Pump Range (nm) | 450 – 532 |
Absorption Coefficient @510 nm (cm-1) | 0.5 – 2.5 |
FOM | >200 |
Orientation | 90° to c axis |
Geometry | flat-flat / Brewster |
Parallelism | 10″ |
Flatness | 0.2 |
Orientation Tolerance | < 5° |
Wide-band AR coating (%) | < 0.2 |
Dia (mm) | (3 – 40) ± 0.1 |
Length (mm) | (10 – 140) ± 0.5 |