Laser Thomson scattering system applicable to low-temperature plasma in the divertor simulator MAP-II

A. Okamoto; S. Kado; S. Kajita; S. Tanaka

doi:10.1063/1.2135281

Laser Thomson scattering system applicable to low-temperature plasma in the divertor simulator MAP-II

A. Okamoto, S. Kado, S. Kajita, S. Tanaka

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Review article › peer-review

19 Citations (Scopus)

Abstract

A laser Thomson scattering system was developed for the measurement of electron temperature in low-temperature recombining plasmas. The system is equipped with a double monochromator instead of an interference filter array to obtain narrow Doppler broadening. The system was applied to electron temperature measurement in the divertor simulator MAP-II. When the electron temperature is lowered to 2 eV by puffing hydrogen gas, a signature of hydrogen molecular-assisted recombination (H2 -MAR) is observed.

Original language	English
Article number	116106
Pages (from-to)	1-4
Number of pages	4
Journal	Review of Scientific Instruments
Volume	76
Issue number	11
DOIs	https://doi.org/10.1063/1.2135281
Publication status	Published - 2005 Dec 13

ASJC Scopus subject areas

Instrumentation

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10.1063/1.2135281

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abstract = "A laser Thomson scattering system was developed for the measurement of electron temperature in low-temperature recombining plasmas. The system is equipped with a double monochromator instead of an interference filter array to obtain narrow Doppler broadening. The system was applied to electron temperature measurement in the divertor simulator MAP-II. When the electron temperature is lowered to 2 eV by puffing hydrogen gas, a signature of hydrogen molecular-assisted recombination (H2 -MAR) is observed.",

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AU - Kajita, S.

AU - Tanaka, S.

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AB - A laser Thomson scattering system was developed for the measurement of electron temperature in low-temperature recombining plasmas. The system is equipped with a double monochromator instead of an interference filter array to obtain narrow Doppler broadening. The system was applied to electron temperature measurement in the divertor simulator MAP-II. When the electron temperature is lowered to 2 eV by puffing hydrogen gas, a signature of hydrogen molecular-assisted recombination (H2 -MAR) is observed.

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