Cryogenic reflectance spectroscopy under high vacuum conditions for outer planets exploration

J. Helbert; A. Lorek; A. Maturilli; S. P. Garland; G. Alemanno

doi:10.1117/12.2678910

20 October 2023 Cryogenic reflectance spectroscopy under high vacuum conditions for outer planets exploration

J. Helbert, A. Lorek, A. Maturilli, S. P. Garland, G. Alemanno

Proceedings Volume 12686, Infrared Remote Sensing and Instrumentation XXXI; 126860A (2023) https://doi.org/10.1117/12.2678910
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

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.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

J. Helbert, A. Lorek, A. Maturilli, S. P. Garland, and G. Alemanno "Cryogenic reflectance spectroscopy under high vacuum conditions for outer planets exploration", Proc. SPIE 12686, Infrared Remote Sensing and Instrumentation XXXI, 126860A (20 October 2023); https://doi.org/10.1117/12.2678910

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