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Published on: May 3, 2019
The entrance system laboratory prototype for an advanced mass and ionic charge composition experiment
F Allegrini1, M I Desai, R Livi
1Southwest Research Institute, San Antonio, Texas 78238, USA.
The Review of Scientific Instruments
|November 10, 2009
Summary
This study introduces a novel electrostatic analyzer (ESA) for plasma characterization. The advanced mass and ionic charge composition experiment (AMICCE) design significantly improves efficiency by covering a broad energy-per-charge range with fewer voltage settings.
Area of Science:
- Space Physics
- Plasma Physics
- Instrument Development
Background:
- Electrostatic analyzers (ESAs) are crucial for characterizing space plasmas.
- Traditional ESAs have limitations in duty cycle and energy-per-charge range sampling.
Purpose of the Study:
- To introduce a novel electrostatic analyzer design for the Advanced Mass and Ionic Charge Composition Experiment (AMICCE).
- To enhance particle analysis efficiency in space environments.
Main Methods:
- Designed, developed, and tested a prototype of the AMICCE entrance system, including the electrostatic analyzer and collimator.
- Utilized electrostatic simulations for comparison with laboratory results.
Main Results:
- The novel ESA functions as a spectrograph, simultaneously selecting ions over a wide energy-per-charge (E/q) range (10-270 keV/q) using only three voltage settings.
- Achieved a significant increase in the product of geometric factor and duty cycle compared to conventional instruments.
Conclusions:
- The AMICCE ESA design offers a substantial improvement in efficiency for plasma composition measurements.
- The developed prototype demonstrates the viability of this advanced electrostatic analyzer concept for space applications.
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