Chemical Composition: | Ge |
---|---|
Shape: | round or Square |
Application: | CO2 laser or imaging system |
Place of Origin: | China (Mainland) |
Quick Details
Specifications
Features:
Crystal Type cubic, diamond structure
Transmission Range 1.8-23μm
Refractive Index 4.0034 when 9.72μm
4.0028 when 10.6μm
Reflective Loss 52.9% when 10μm
Density 5.323g/cm
Melting Point 956,959,942,938℃
Molecular Weight 72.59
Thermal Conductivity 58.61 W/(m K)
Specifics Heat 310J/(kg K) when 25℃
Thermal Expansion 5.5ⅹ10 /K,6.1ⅹ10 /K
Hardness (Knoop) 780
Young's Modulus 102.7<100>,155.3<111>GPa
Shear Modulus 67<100>GPa
Bulk Modulus 77.2GPa
Rupture Modulus 93MPa
Dielectric Constant 16.6 when f=9.37MHz
Solubility Water Insoluble
Application Electronics lenses, band pass filters, thermography
Remarks laser damage threshold:2.9-3.3GW / cm
Specifications:
for example
Diameter, mm Thickness, mm
10 * 2
12.7 * 2
12.7 * 3
19.05 * 3
19.05 * 4
20 * 2
20 * 3
20 * 4
25.4 * 3
25.4 * 4
25.4 * 5
38.1 * 4
38.1 * 6
38.1 * 9
50.8 * 6
50.8 * 8
50.8 * 10
Application:
CO2 laser machine
Imaging systems and instruments
Crystal Type cubic, diamond structure
Transmission Range 1.8-23μm
Refractive Index 4.0034 when 9.72μm
4.0028 when 10.6μm
Reflective Loss 52.9% when 10μm
Density 5.323g/cm
Melting Point 956,959,942,938℃
Molecular Weight 72.59
Thermal Conductivity 58.61 W/(m K)
Specifics Heat 310J/(kg K) when 25℃
Thermal Expansion 5.5ⅹ10 /K,6.1ⅹ10 /K
Hardness (Knoop) 780
Young's Modulus 102.7<100>,155.3<111>GPa
Shear Modulus 67<100>GPa
Bulk Modulus 77.2GPa
Rupture Modulus 93MPa
Dielectric Constant 16.6 when f=9.37MHz
Solubility Water Insoluble
Application Electronics lenses, band pass filters, thermography
Remarks laser damage threshold:2.9-3.3GW / cm
Specifications:
for example
Diameter, mm Thickness, mm
10 * 2
12.7 * 2
12.7 * 3
19.05 * 3
19.05 * 4
20 * 2
20 * 3
20 * 4
25.4 * 3
25.4 * 4
25.4 * 5
38.1 * 4
38.1 * 6
38.1 * 9
50.8 * 6
50.8 * 8
50.8 * 10
Application:
CO2 laser machine
Imaging systems and instruments