{"id":29946,"date":"2025-01-13T10:43:43","date_gmt":"2025-01-13T09:43:43","guid":{"rendered":"https:\/\/piseo.fr\/?p=29946"},"modified":"2025-01-13T10:44:15","modified_gmt":"2025-01-13T09:44:15","slug":"stray-light-analysis-for-space-missions","status":"publish","type":"post","link":"https:\/\/piseo.fr\/en\/nos-marches\/aeronautique-et-spatial\/stray-light-analysis-for-space-missions\/","title":{"rendered":"Stray Light Analysis for Space Missions"},"content":{"rendered":"\n

The VERITAS (NASA, 2031) and EnVision (ESA, 2028) space missions will carry an advanced spectroscopy instrument, the Venus Emissivity Mapper (VEM)<\/a>, which is designed to map the surface of Venus. Developed by a consortium that includes the DLR<\/a> (German Aerospace Center), LESIA<\/a> (Laboratoire d\u2019Etudes Spatiales et d\u2019Instrumentation), and CNES<\/a> (Centre National d\u2019Etudes Spatiales), the VEM will operate in extreme environments while detecting very low-intensity infrared signals. Stray light is a major source of disturbance that can compromise the quality of measurements by saturating an instrument\u2019s sensors and altering the data. To prevent these risks on the VEM and ensure reliable performance during its crucial missions, LESIA entrusted the analysis of stray light<\/a> issues to PIS\u00c9O.<\/p>\n\n\n\n

In this context, the main objective of the mission entrusted to PIS\u00c9O was to use our exprertise and advanced simulation tools to identify the different sources of stray light, quantify their influence, and propose actions for reduction.<\/p>\n\n\n

\n
\"VEM
Illustration of the VEM onboard NASA’s VERITAS satellite
Source\u00a0: NASA (https:\/\/science.nasa.gov\/mission\/veritas\/overview\/<\/a>)<\/figcaption><\/figure>\n<\/div>\n\n\n