Low energy neutral atom imaging: Remote observations of the magnetosphere

H. O. Funsten; D. J. McComas; K. R. Moore; E. E. Scime

doi:10.2514/6.1995-618

Low energy neutral atom imaging: Remote observations of the magnetosphere

H. O. Funsten, D. J. McComas, K. R. Moore, E. E. Scime

Research output: Contribution to conference › Paper › peer-review

Abstract

Recent developments in detection of neutral atoms will enable construction of space-based imagers that may reveal the global structure and dynamics of the terrestrial magnetosphere. The principal technical challenge of imaging low energy neutral atoms (LENAs) having energies < 30 keV is separating them from the intense UV background, to which LENA detectors are sensitive, with minimal loss of trajectory and energy information. Three instrument concepts for separating LENAs from the background UV are presented: LENA charge conversion via transmission through an ultrathin carbon foil and subsequent electrostatic deflection, UV grating polarizers and attenuators, and high frequency shutters. Hardware associated with each of these concepts is mated to a detector section that provides imaging, coincidence, and, if required, time-of-flight measurements.

Original language	English (US)
DOIs	https://doi.org/10.2514/6.1995-618
State	Published - 1995
Externally published	Yes
Event	33rd Aerospace Sciences Meeting and Exhibit, 1995 - Reno, United States Duration: Jan 9 1995 → Jan 12 1995

Other

Other	33rd Aerospace Sciences Meeting and Exhibit, 1995
Country/Territory	United States
City	Reno
Period	1/9/95 → 1/12/95

All Science Journal Classification (ASJC) codes

Space and Planetary Science
Aerospace Engineering

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10.2514/6.1995-618

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@conference{29b83b51d88e49e9842fc0b90890d30a,

title = "Low energy neutral atom imaging: Remote observations of the magnetosphere",

abstract = "Recent developments in detection of neutral atoms will enable construction of space-based imagers that may reveal the global structure and dynamics of the terrestrial magnetosphere. The principal technical challenge of imaging low energy neutral atoms (LENAs) having energies < 30 keV is separating them from the intense UV background, to which LENA detectors are sensitive, with minimal loss of trajectory and energy information. Three instrument concepts for separating LENAs from the background UV are presented: LENA charge conversion via transmission through an ultrathin carbon foil and subsequent electrostatic deflection, UV grating polarizers and attenuators, and high frequency shutters. Hardware associated with each of these concepts is mated to a detector section that provides imaging, coincidence, and, if required, time-of-flight measurements.",

author = "Funsten, {H. O.} and McComas, {D. J.} and Moore, {K. R.} and Scime, {E. E.}",

note = "Publisher Copyright: {\textcopyright} 1995 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.; 33rd Aerospace Sciences Meeting and Exhibit, 1995 ; Conference date: 09-01-1995 Through 12-01-1995",

year = "1995",

doi = "10.2514/6.1995-618",

language = "English (US)",

}

TY - CONF

T1 - Low energy neutral atom imaging

T2 - 33rd Aerospace Sciences Meeting and Exhibit, 1995

AU - Funsten, H. O.

AU - McComas, D. J.

AU - Moore, K. R.

AU - Scime, E. E.

PY - 1995

Y1 - 1995

N2 - Recent developments in detection of neutral atoms will enable construction of space-based imagers that may reveal the global structure and dynamics of the terrestrial magnetosphere. The principal technical challenge of imaging low energy neutral atoms (LENAs) having energies < 30 keV is separating them from the intense UV background, to which LENA detectors are sensitive, with minimal loss of trajectory and energy information. Three instrument concepts for separating LENAs from the background UV are presented: LENA charge conversion via transmission through an ultrathin carbon foil and subsequent electrostatic deflection, UV grating polarizers and attenuators, and high frequency shutters. Hardware associated with each of these concepts is mated to a detector section that provides imaging, coincidence, and, if required, time-of-flight measurements.

AB - Recent developments in detection of neutral atoms will enable construction of space-based imagers that may reveal the global structure and dynamics of the terrestrial magnetosphere. The principal technical challenge of imaging low energy neutral atoms (LENAs) having energies < 30 keV is separating them from the intense UV background, to which LENA detectors are sensitive, with minimal loss of trajectory and energy information. Three instrument concepts for separating LENAs from the background UV are presented: LENA charge conversion via transmission through an ultrathin carbon foil and subsequent electrostatic deflection, UV grating polarizers and attenuators, and high frequency shutters. Hardware associated with each of these concepts is mated to a detector section that provides imaging, coincidence, and, if required, time-of-flight measurements.

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DO - 10.2514/6.1995-618

M3 - Paper

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Y2 - 9 January 1995 through 12 January 1995

ER -

Low energy neutral atom imaging: Remote observations of the magnetosphere

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