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Electrostatic analyzer information


An electrostatic analyzer or ESA is an instrument used in ion optics that employs an electric field to allow the passage of only those ions or electrons that have a given specific energy. It usually also focuses these particles (concentrates them) into a smaller area. ESAs are typically used as components of space instrumentation, to limit the scanning (sensing) energy range and, thereby also, the range of particles targeted for detection and scientific measurement. The closest analogue in photon optics is a filter.

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Electrostatic analyzer

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An electrostatic analyzer or ESA is an instrument used in ion optics that employs an electric field to allow the passage of only those ions or electrons...

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Explorer 43

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curved-plate cylindrical electrostatic analyzers and continuous channel multipliers were used for this purpose. One analyzer, the LEPEDEA (low-energy...

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Explorer 34

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provided useful data for only the first six days after launch. An electrostatic analyzer and an E-cross-B velocity selector normal to the spacecraft spin...

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Electrostatic lens

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electron analyzer, analogous to the way an optical lens assists in the transport of light in an optical instrument. Systems of electrostatic lenses can...

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Secondary ion mass spectrometry

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basic analyzers available: sector, quadrupole, and time-of-flight. A sector field mass spectrometer uses a combination of an electrostatic analyzer and...

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Explorer 12

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experiment operated throughout the active lifetime of the spacecraft. An electrostatic analyzer with a current collector was used to investigate boundary phenomena...

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Explorer 50

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dual-channel, curved-plate electrostatic analyzer (LEPEDEA - low energy proton and electron differential energy analyzer) with 16 energy intervals between...

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Explorer 41

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until the spacecraft decayed from orbit on 23 December 1972. An electrostatic analyzer and an E-cross-B velocity selector normal to the spacecraft spin...

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Mars 4

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multiple photometers, polarimeters, a magnetometer, plasma traps, an electrostatic analyzer, a gamma-ray spectrometer, and a radio probe. Built by Lavochkin...

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EscaPADE

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the boom to reduce magnetic noise from the spacecraft. EESA is an electrostatic analyzer designed to measure the energies, fluxes, and masses of suprathermal...

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THEMIS

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identical instruments, including a fluxgate magnetometer (FGM), an electrostatic analyzer (ESA), a solid state telescope (SST), a search-coil magnetometer...

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Ranger 2

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included a Lyman-alpha telescope, a rubidium-vapor magnetometer, electrostatic analyzers, medium-energy-range particle detectors, two triple coincidence...

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Ranger 1

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included a Lyman-alpha telescope, a rubidium-vapor magnetometer, electrostatic analyzers, medium-energy range particle detectors, two triple coincidence...

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Mariner 10

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launch, scientists found that the Scanning Electrostatic Analyzer had failed because a door shielding the analyzer did not open. An unsuccessful attempt was...

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Mass spectrometry

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targeted through the mass analyzer and into the detector. The differences in masses of the fragments allows the mass analyzer to sort the ions by their...

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Advanced Composition Explorer

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advantage of only the ion energy-per-charge as measured by the electrostatic analyzer, and the ion energy as measured by solid-state detectors. This has...

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Energy analyser

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electron energy analyzer, as used in Auger Electron Spectroscopy Electrostatic analyzer, a device used in mass spectroscopy to allow the passage ions or...

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Scientific instrument

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electric charge, potential difference Electroscope, electric charge Electrostatic analyzer, kinetic energy of charged particles Ellipsometer, optical refractive...

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Fast Auroral SnapshoT Explorer

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to energy per charge (1.2 eV/e to 12 keV/e) by electrostatic deflection in a toroidal section analyzer with subsequent acceleration (up to 25 keV/e) and...

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Explorer 47

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activity and interplanetary processes. The detectors used were: (1) an electrostatic analyzer (to select particles of the designated energy per charge) combined...

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SWEAP

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Sun Solar Probe Analyzers (SPAN) SPAN-Ai: ion electrostatic analyzer (ESA) on the ram side SPAN-Ae: electron electrostatic analyzer on the ram side SPAN-B:...

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New Horizons

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edu Solar Wind Around Pluto (SWAP) is a toroidal electrostatic analyzer and retarding potential analyzer (RPA), that makes up one of the two instruments...

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Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites

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provided by University of California, Berkeley. Analyzer for Cusp Electrons (ACE) an electrostatic analyzer to measure cusp electrons from 40 eV to 10 keV...

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Hemispherical electron energy analyzer

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A hemispherical electron energy analyzer or hemispherical deflection analyzer is a type of electron energy spectrometer generally used for applications...

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Deep Space Climate Observatory

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magnetic field Faraday cup measures positively charged particles Electrostatic analyzer measures electrons The Earth Polychromatic Imaging Camera (EPIC)...

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