Modeling the response of a top hat electrostatic analyzer in an external magnetic field: Experimental validation with the Juno JADE-E sensor - Archive ouverte HAL Access content directly
Journal Articles Journal of Geophysical Research: Space Physics Year : 2016

Modeling the response of a top hat electrostatic analyzer in an external magnetic field: Experimental validation with the Juno JADE-E sensor

, , , (1)
1
G. Clark
  • Function : Author
F. Allegrini
  • Function : Author
D. J. Mccomas
  • Function : Author

Abstract

We investigate the response function of an electrostatic analyzer when electron gyroradii in a magnetic field become comparable to the scale size of the sensor. This occurs when electrons have sufficiently small energies and are in a strong magnetic field. Through simulations and laboratory experiments with the Jovian Auroral Distribution Experiment-Electron (JADE-E) sensor, we observe the energy response, detection angle distribution, and geometric factor to change significantly. Using electro-optics simulation results, we develop semiempirical and empirical relationships that can be used for top hat electrostatic analyzers. We present a model based on these relationships that covers an energy range between 0.1 keV and 5 keV with a uniform external magnetic field magnitude between 0-3 G and verified that these relationships apply to JADE-E in a specially designed testing environment by comparing with the model. We find that the model agrees well with the JADE-E sensor validating it for top hat electrostatic analyzers more generally.
Fichier principal
Vignette du fichier
JGR Space Physics - 2016 - Clark - Modeling the response of a top hat electrostatic analyzer in an external magnetic field .pdf (1.65 Mo) Télécharger le fichier
Origin : Publisher files allowed on an open archive

Dates and versions

insu-03669487 , version 1 (16-05-2022)

Licence

Attribution - NonCommercial - NoDerivatives - CC BY 4.0

Identifiers

Cite

G. Clark, F. Allegrini, D. J. Mccomas, P. Louarn. Modeling the response of a top hat electrostatic analyzer in an external magnetic field: Experimental validation with the Juno JADE-E sensor. Journal of Geophysical Research: Space Physics, 2016, 121, pp.5121-5136. ⟨10.1002/2016JA022583⟩. ⟨insu-03669487⟩
8 View
6 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More