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Observation of keV X-ray emitted from laser produced Au plasmas by using a crystal spectrometer
https://repo.qst.go.jp/records/77231
https://repo.qst.go.jp/records/772317a5675ec-e032-4bf7-b806-1e963eaa8144
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-10-29 | |||||
タイトル | ||||||
タイトル | Observation of keV X-ray emitted from laser produced Au plasmas by using a crystal spectrometer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
MORISHITA, TAKEHIRO
× MORISHITA, TAKEHIRO× MATSUMOTO, YASUHIRO× JOHN, CHRISTIAN× Kishimoto, Maki× JOHZAKI, TOMOYUKI× EJIMA, TAKEO× SUNAHARA, ATSUSHI× ENDO, TAKUMA× HIGASHIGUCHI, TAKESHI× NAMBA, SHINICHI× Kishimoto, Maki |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | X-ray emitted by a laser generated plasma has various applications. Serious issue to be solved is thatthe energy conversion e?ciency from the laser to X-ray is quite low. Recently, it was found that the X-ray emitted by the laser produced Auplasma increases under nitrogen atmospheres. In particular, the intensity of the water window soft X-ray (2.4-4.4 nm) increases approximately ten times. In order to elucidate this enhancement mechanism of X-ray, we have measured soft X-ray spectra from Au plasma in the wavelength of 1-7 nm so far. Recently, we fabricated a TAP crystal spectrometer to observe the photons over 1 keV region (1.0-1.9 eV), which provides useful information of plasma temperature. As a detector, an imaging plate(IP) was used. Titanium ?lters was also used to block out-of-band emission. As a result, continuum spectra attributed unresolved transition arrays (UTAs) was observed from the Au laser plasma. This spectral profile was compared with the Star2D hydrodynamic code. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | DPP19 Meeting of The American Physical Society | |||||
発表年月日 | ||||||
日付 | 2019-10-23 | |||||
日付タイプ | Issued |