Bevel:

Protective as needed

Clear Aperture (%):

85

Clear Aperture CA (mm):

32.38

Diameter (mm):

38.10 +0.00/-0.13

Thickness (mm):

5.00 ±0.13

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

6.1

Density (g/cm³):

4.84

Edges:

Fine Ground

Index of Refraction n_d:

4.002 @ 11µm @ 11µm

Knoop Hardness (kg/mm²):

780

Poisson's Ratio:

0.28

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Germanium (Ge)

Surface Flatness (P-V):

2λ @ 10.6μm

Surface Quality:

60-40

Type:

Protective Window

Wavelength Range (nm):

2000 - 14000

Young's Modulus (GPa):

102.7

Wedge Angle:

30' ±15'

Model Number:

GE-WW-38-5

38.1mm Dia., 5mm Thick, 30' Wedge, ISP Optics Germanium (Ge) Wedged Window | GE-WW-38-5

Can't find what you need?