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.

为了进行超高磁场的测量，我需要开发高分辨率的光谱仪，包括覆盖5 nm到30 nm光谱的平场光栅光谱仪。我还需要硅弯曲晶体光谱仪，覆盖在1纳米到0.5纳米之间。每个光谱仪都有一个用于空间分辨率的成像光学系统。我们使用了一个背光型CCD作为检测器。为了测试光谱和空间分辨率，我们测量了由小型激光器照射的激光产生的等离子体发出的光谱。在对光谱仪进行表征后，我们测量了超高强度激光驱动等离子体的光谱。对测量的线发射进行了仔细的分析，以估计温度和密度。我也在寻找异常的光谱展宽。到目前为止，我还不能得出由于超高磁场导致的展宽。我会提高空间分辨率，找出局域磁场。

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)

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)。

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)

H. Daigo: "Exprimental Characterization of short uavelength Ni-like soft x-ray lasing towards the water window"Japanese of the Optical Sosciety of America B. 16. 2295-2299 (1999)

H. Daigo：“向水窗发射短波长 Ni 类软 X 射线激光的实验表征”日本光学协会 B. 16. 2295-2299 (1999)