Multi-dimensional incoherent Thomson scattering system in PHAse Space MApping (PHASMA) facility

Peiyun Shi; Earl E. Scime

doi:10.1063/5.0133665

Multi-dimensional incoherent Thomson scattering system in PHAse Space MApping (PHASMA) facility

Peiyun Shi, Earl E. Scime

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A multi-dimensional incoherent Thomson scattering diagnostic system capable of measuring electron temperature anisotropies at the level of the electron velocity distribution function (EVDF) is implemented on the PHAse Space MApping facility to investigate electron energization mechanisms during magnetic reconnection. This system incorporates two injection paths (perpendicular and parallel to the axial magnetic field) and two collection paths, providing four independent EVDF measurements along four velocity space directions. For strongly magnetized electrons, a 3D EVDF comprised of two characteristic electron temperatures perpendicular and parallel to the local magnetic field line is reconstructed from the four measured EVDFs. Validation of isotropic electrons in a single magnetic flux rope and a steady-state helicon plasma is presented.

Original language	English (US)
Article number	023501
Journal	Review of Scientific Instruments
Volume	94
Issue number	2
DOIs	https://doi.org/10.1063/5.0133665
State	Published - Feb 1 2023
Externally published	Yes

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/5.0133665

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title = "Multi-dimensional incoherent Thomson scattering system in PHAse Space MApping (PHASMA) facility",

abstract = "A multi-dimensional incoherent Thomson scattering diagnostic system capable of measuring electron temperature anisotropies at the level of the electron velocity distribution function (EVDF) is implemented on the PHAse Space MApping facility to investigate electron energization mechanisms during magnetic reconnection. This system incorporates two injection paths (perpendicular and parallel to the axial magnetic field) and two collection paths, providing four independent EVDF measurements along four velocity space directions. For strongly magnetized electrons, a 3D EVDF comprised of two characteristic electron temperatures perpendicular and parallel to the local magnetic field line is reconstructed from the four measured EVDFs. Validation of isotropic electrons in a single magnetic flux rope and a steady-state helicon plasma is presented.",

author = "Peiyun Shi and Scime, \{Earl E.\}",

note = "Publisher Copyright: {\textcopyright} 2023 Author(s).",

year = "2023",

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doi = "10.1063/5.0133665",

language = "English (US)",

volume = "94",

journal = "Review of Scientific Instruments",

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AU - Shi, Peiyun

AU - Scime, Earl E.

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Y1 - 2023/2/1

N2 - A multi-dimensional incoherent Thomson scattering diagnostic system capable of measuring electron temperature anisotropies at the level of the electron velocity distribution function (EVDF) is implemented on the PHAse Space MApping facility to investigate electron energization mechanisms during magnetic reconnection. This system incorporates two injection paths (perpendicular and parallel to the axial magnetic field) and two collection paths, providing four independent EVDF measurements along four velocity space directions. For strongly magnetized electrons, a 3D EVDF comprised of two characteristic electron temperatures perpendicular and parallel to the local magnetic field line is reconstructed from the four measured EVDFs. Validation of isotropic electrons in a single magnetic flux rope and a steady-state helicon plasma is presented.

AB - A multi-dimensional incoherent Thomson scattering diagnostic system capable of measuring electron temperature anisotropies at the level of the electron velocity distribution function (EVDF) is implemented on the PHAse Space MApping facility to investigate electron energization mechanisms during magnetic reconnection. This system incorporates two injection paths (perpendicular and parallel to the axial magnetic field) and two collection paths, providing four independent EVDF measurements along four velocity space directions. For strongly magnetized electrons, a 3D EVDF comprised of two characteristic electron temperatures perpendicular and parallel to the local magnetic field line is reconstructed from the four measured EVDFs. Validation of isotropic electrons in a single magnetic flux rope and a steady-state helicon plasma is presented.

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SN - 0034-6748

VL - 94

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

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ER -

Multi-dimensional incoherent Thomson scattering system in PHAse Space MApping (PHASMA) facility

Abstract

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