NDLI: Cometary particulate analyzer. [mass spectrometry of laser plasmas

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Cometary particulate analyzer. [mass spectrometry of laser plasmas

Content Provider	NASA Technical Reports Server (NTRS)
Author	Utterback, N. G. Friichtenicht, J. F. Miller, D. J.
Copyright Year	1979
Description	A concept for determining the relative abundance of elements contained in cometary particulates was evaluated. The technique utilizes a short, high intensity burst of laser radiation to vaporize and ionize collected particulate material. Ions extracted from this laser produced plasma are analyzed in a time of flight mass spectrometer to yield an atomic mass spectrum representative of the relative abundance of elements in the particulates. Critical aspects of the development of this system are determining the ionization efficiencies for various atomic species and achieving adequate mass resolution. A technique called energy-time focus, which utilizes static electric fields to alter the length of the ion flight path in proportion to the ion initial energy, was used which results in a corresponding compression to the range of ion flight times which effectively improves the inherent resolution. Sufficient data were acquired to develop preliminary specifications for a flight experiment.
File Size	1566940
Page Count	56
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19790017788
Archival Resource Key	ark:/13960/t9k40kz7w
Language	English
Publisher Date	1979-05-01
Access Restriction	Open
Subject Keyword	Lunar And Planetary Exploration Comets Laser Plasmas High Temperature Plasmas Particulate Sampling Particulates Atomic Spectra Mass Spectroscopy Abundance Computerized Simulation Gas Analysis Time of Flight Spectrometers Ion Motion Ruby Lasers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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