title: Development of multi-channel Doppler spectroscopic measurement system using 8 × 8 multianode photomultiplier tube assembly.
abstract: Using an 8 × 8 channel photomultiplier tube assembly and a single Czerny-Turner monochromator, we have developed a novel Doppler spectroscopic system which can measure the time evolutions of spectral distribution of plasma emission from eight different lines of sight simultaneously. An optical lens system is employed to couple the output of the monochromator with the detector assembly, resulting in small cross-talks less than 5% in spatial distribution together with large magnification of up to 50 in wavelength direction. The suggested system yields cost-effective polychromatic measurements of eight spatial channels with uniform optical and electrical characteristics.
authors.affiliation: Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa 277-8561, Japan. kamio@ts.t.u-tokyo.ac.jp
authors.forename: S
authors.initials: S
authors.lastname: Kamio
authors.forename: N
authors.initials: N
authors.lastname: Suzuki
authors.forename: Q H
authors.initials: QH
authors.lastname: Cao
authors.forename: T G
authors.initials: TG
authors.lastname: Watanabe
authors.forename: K
authors.initials: K
authors.lastname: Abe
authors.forename: M
authors.initials: M
authors.lastname: Sakumura
authors.forename: K
authors.initials: K
authors.lastname: Ishiguchi
authors.forename: R
authors.initials: R
authors.lastname: Imazawa
authors.forename: T
authors.initials: T
authors.lastname: Yamada
authors.forename: M
authors.initials: M
authors.lastname: Inomoto
authors.forename: Y
authors.initials: Y
authors.lastname: Takase
authors.forename: Y
authors.initials: Y
authors.lastname: Ono