Impact ionization mass spectrometer instrument development for cosmic dust particles

Details Impact ionization mass spectrometer instrument development for cosmic dust particles Impact ionization mass spectrometer instrument development for cosmic dust particles

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p53a0991s&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P53A-0991

Physics

Space Physics

1029 Composition Of Aerosols And Dust Particles, 2129 Interplanetary Dust, 6015 Dust, 6094 Instruments And Techniques, 6213 Dust

Scientific paper

A new instrument is under development to analyze the chemical composition of dust particles in-situ. The CRIA (Cosmic dust Reflectron for Isotopic Analysis) instrument is a mass spectrometer that analyzes the ions generated upon the hypervelocity impact of cosmic dust particles on a solid surface. The large sensitive area of the instrument (40 cm in diameter) makes the instrument capable of measuring the composition of interstellar dust particles that have a low flux. The laboratory prototype of the instrument has been previously tested in laboratory conditions using laser ablation and the Heidelberg dust acceleration facility. The mass resolution of the instrument is approximately m/dm ~ 200. Here we report on the progress of the technical readiness level (TRL) of the instrument. The development is done as part of a graduate level course offered at the Aerospace Engineering department at the University of Colorado. In the class the students design and fabricate the instrument to specified requirement and perform the environmental tests for the applicable TRL level. The details of the class setup are discussed. This project is funded by the Laboratory of Atmospheric and Space Physics (LASP) and the Aerospace Engineering Department at the University of Colorado, Boulder. The instrument concept development was funded by NASA.

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