Abbe Number (v_d):

94.99

Axis Orientation:

Random

Bevel:

Protective as needed

Clear Aperture (%):

85

Clear Aperture CA (mm):

32.38

Diameter (mm):

38.10 +0.00/-0.13

Thickness (mm):

4.00 ±0.13

Coating:

Uncoated

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

18.85

Density (g/cm³):

3.18

Edges:

Fine Ground

Index of Refraction n_d:

1.434

Knoop Hardness (kg/mm²):

158.3

Parallelism (arcmin):

<3

Poisson's Ratio:

0.26

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

Calcium Fluoride (CaF₂)

Surface Flatness (P-V):

2λ

Surface Quality:

40-20

Type:

Protective Window

Wavelength Range (nm):

300 - 8000

Young's Modulus (GPa):

75.8

Model Number:

CF-W-38-4

38.1mm Dia., 4mm Thick, Uncoated, ISP Optics Calcium Fluoride (CaF₂) Window | CF-W-38-4

Regulatory Compliance

產品系列說明

38.1mm Dia., 4mm Thick, Uncoated, ISP Optics Calcium Fluoride (CaF2) Window | CF-W-38-4

Protect your investment.

Regulatory Compliance

產品系列說明

38.1mm Dia., 4mm Thick, Uncoated, ISP Optics Calcium Fluoride (CaF₂) Window | CF-W-38-4