Measurement of ultra high magnetic field in a ultra-intense

超强磁场中超高磁场的测量

• 批准号: 10680460
• 负责人: DAIDO Hiroyuki
• 金额: $ 1.98万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1998
• 资助国家: 日本
• 起止时间: 1998 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10680460/
• 关键词: ultra-high-intensity; laser plasma; ultra high magnetic field; laser X-ray spectroscopy; Hot electrons; プラズマ分光学; ゼーマンシフト; ギガガウス磁場

In order to perform the measurement of the ultra high magnetic field, I need to develop high-resolution spectrometers including the flat field grating spectrometer which covers the spectrum between 5 nm and 30 nm. I also need the silicon bent crystal spectrometer which covers between 1 nm and 0.5 nm. Each spectrometer has an imaging optics for space resolution. We used a back illumination type CCD as a detector. To test the spectral and space resolution, we measured the spectra emitted from the laser-produced plasma irradiated by a small laser. After characterizing the spectrometer, we have measured the spectra from an ultra high intensity laser driven plasma. The measured line emission was carefully analyzed to estimate the temperature and density. I also look for the anomalous spectral broadening. Up to now I cannot conclude the broadening due to ultra-high magnetic field. I will improve the space resolution to find out the localized magnetic field.

为了执行超高磁场的测量，我需要开发高分辨率光谱仪，包括覆盖5 nm至30 nm之间光谱的平面光谱仪。我还需要覆盖1 nm至0.5 nm之间的硅弯曲晶体光谱仪。每个光谱仪都有一个用于空间分辨率的成像光学器件。我们将CCD型的背部照明型作为检测器。为了测试光谱和空间分辨率，我们测量了从小型激光照射的激光产生的血浆发出的光谱。表征光谱仪后，我们通过超高强度激光驱动的等离子体测量了光谱。仔细分析了测得的线排放以估计温度和密度。我还寻找异常的光谱扩展。到目前为止，由于超高磁场，我无法得出结论。我将改进空间分辨率，以找出局部磁场。

项目成果

H.Daido: "Experimental characterization of short wavelength Ni-Uke soft x-ray lasing towards the water window"Journal of the Optical Society of America B. 16. 2295-2299 (1999)

H.Daido：“短波长 Ni-Uke 软 X 射线激光发射到水窗的实验特性”美国光学学会杂志 B.16.2295-2299 (1999)

鈴木将之: "空間分解X線分光法を用いたレーザー生成高圧ガスパノプラズマの特性評価"レーザー研究. 27巻5号. 354 (351)

Masayuki Suzuki：“利用空间分辨 X 射线光谱表征激光产生的高压气体全等离子体”，激光研究，第 27 卷，第 5 期。354 (351)

M. Suzuki: "Characterization of Laser-Rroduced Plasmas from High Pressure Gas-Puff Using Space Resolved X-Ray Spectroscopy"The Review of Laser Engineering. Vol.27, No.5. 351-354 (1999)

M. Suzuki：“使用空间分辨 X 射线光谱法对高压气体喷出的激光产生的等离子体进行表征”激光工程评论。

大道博行: "デブリスフリーレーザープラズマX線源"表面科学. 20巻. 166-172 (1999)

Hiroyuki Daido：“无碎片激光等离子体 X 射线源”《表面科学》卷 20. 166-172 (1999)。

S. Sebban: "Full characterization of a high gain saturated x-ray laser at 13.9 nm"Physical Review A. (to be published).

S. Sebban：“13.9 nm 高增益饱和 X 射线激光器的完整表征”物理评论 A.（待出版）。