Angle of Incidence (°):

0

Bevel:

Protective as needed

Clear Aperture CA (mm):

18.00

Coating:

Uncoated

Diameter (mm):

20.00 +0.00/-0.10

Thickness (mm):

3.00 ±0.10

Parallelism (arcsec):

≤5

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

Fused Silica Excimer Grade (Corning 7980 KrF)

Fused Silica Grade:

7980 KrF 0A

Surface Quality:

10-5

Transmitted Wavefront, P-V:

λ/20

Type:

Laser Line Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

73

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

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Density (g/cm³):

2.20

Index of Refraction n_d:

1.458

Poisson's Ratio:

0.16

Abbe Number (v_d):

67.8

Edges:

Fine Ground

5 J/cm² @ 10ns

20mm Dia. Uncoated, λ/20 Fused Silica Window

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