Window Thickness Calculator

Calculate minimum window thickness for pressure loading, center deflection, wavefront error, and Fresnel losses.

Material

Window Material

Geometry & Loading

Unsupported Diameter

Pressure Differential

Safety Factor

Mounting

Deflection Analysis (Optional)

Actual Thickness

Minimum Thickness

t_min

2.44 mm

Support constant K

1.10

Pressure (\u0394P)

0.1013 MPa

Fresnel Losses (Uncoated)

R per surface

3.5%

Total transmission

93.2%

Total loss

6.8%

Abridged Optics — v1.0

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.