title: A prototype diagnostics system to detect ultraviolet emission for plasma turbulence.
abstract: A system to detect ultraviolet emissions from plasma is developed for multi-point measurement, the target of which is the imaging of turbulence with a high temporal resolution. A fluorescent glass, which converts ultraviolet emissions to visible light with a wavelength of approximately 540 nm, is utilized in the system. Following the conversion, the fluorescent light is transferred with fibre optics, and is converted to electric signals in a location that is sufficiently distant from an electrically noisy environment around the plasma device. This paper describes a prototype system of this diagnostic method and discusses the spectral analysis obtained using a low-aspect-ratio reversed field pinch RELAX.
authors.affiliation: Research Institute for Applied Mechanics, Kyushu University, 6-1, Kasuga Kohen, Kasuga, Fukuoka 816-8580, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Onchi
authors.affiliation: Research Institute for Applied Mechanics, Kyushu University, 6-1, Kasuga Kohen, Kasuga, Fukuoka 816-8580, Japan.
authors.forename: A
authors.initials: A
authors.lastname: Fujisawa
authors.affiliation: Department of Electronics, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, Kyoto 606-8585, Japan.
authors.forename: A
authors.initials: A
authors.lastname: Sanpei