The new Venus spectral facility at the DLR Planetary Spectropscopy Laboratory to support the ESA EnVision and NASA DACINCI and VERITAS missions

Kurzfassung

Exploring the outer solar system is a priority, with upcoming missions including ESA JUICE and NASA Lucy. There is high demand for laboratory spectra of analog materials obtained at low pressure or in vacuum at cryogenic temperatures. To meet this demand, PSL has added a compact low-temperature vacuum chamber for angle dependent bi-directional reflectance measurements that attaches directly to an existing spectrometer. The system allows for measurements from UV to far infrared for up to 4 samples at temperatures lower than -150°C under vacuum down to 10-6hPa. The samples are prepared in a glovebox under dry air and controlled temperature conditions down to -50°C and are directly transferred to the vacuum chamber via an airlock.