Mar 31-2025
Density(g*cm-3) | 5.33 |
Melting point(℃) | 936 |
Dielectric constant static/hyperframes | 16.6 @9.37GHZ(300K) |
Thermal expansion coefficient(1/℃) | 6.1*10-6 @ 298K |
Bulk modulus (Gpa) | 77.2 |
Shear modulus (Gpa) | 67 |
Thermal Conductivity (J/k.m.s) | 58.61 @ 293K |
Specific Heat(J/g.k) | 0.31 |
Knoop Hardness (kg/mm²) | 780 |
Young's Modulus(Gpa) | 102.7 |
Poisson's Ratio | 0.28 |
Coefficient of elasticity | C11 =129 C11 =48.3 C11 =67.1 |
Transmission wavelength | 2000nm—12000nm |
Bulk Absorption Coefficient(1/cm) | 1.3*10-3@3800nm 3*10-2@10600nm |
Thermo-optical coeffecient,dn/dT (1/k) | 4.08*10-4 @ 10600nm |
Diameter(mm) | Thickness(mm ) | Coating | Diameter(mm) | Thickness(mm) |
10 | 1 | AR/AR OR AR/DLC 3-5μm OR 8-12μm AR, <2% per Surface - | 75 | 3 |
12.5 | 1 | 75 | 5 | |
20 | 2 | 76.2 | 6 | |
25 | 3 | 80 | 8 | |
30 | 3 | 90 | 10 | |
38.1 | 3 | 100 | 10 | |
40 | 4 | 150 | 15 | |
50 | 3 | 180 | 18 | |
50.8 | 3 | 200 | 20 | |
63.5 | 5 | 300 | 35 |
Infrared Transparency: Germanium windows offer exceptional transparency in the infrared spectrum, crucial for thermal imaging and sensing applications.
High Thermal Conductivity: Ensures efficient heat dissipation, maintaining optical performance in high-temperature environments.
Durable: Resistant to mechanical stress and harsh environmental conditions, ensuring long-term reliability.
Broad Spectral Range: Transmits wavelengths from mid-IR to far-IR, suitable for various optical systems.