// Contamination Proximity

Molecular Contamination Proximity

Estimate how much molecular film from an outgassing material deposits on a nearby optic or sensor over the mission life — screened against MIL-STD-1246C cleanliness levels.

Source material

Geometry & thermal

Source area50 cm²

Distance to optic10 cm

Source temperature40°C

Optic temperature20°C

Mission duration3 yr

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Ready to estimate

Pick a material and adjust the geometry — the model predicts cumulative molecular film deposition on the nearby optic over the mission life.