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Study of laser ; ultra-high-density Relativistic field using new electron positron spectrometer

激光研究；

基本信息

批准号：
14390033
负责人：
TANAKA Kazuo
金额：
$ 8.32万
依托单位：
Osaka University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2002
资助国家：
日本
起止时间：
2002 至 2004
项目状态：
已结题

项目摘要

The achievements of this research are summarized as below.1.Positron/electron spectrometer development2.Spectrometer calibration3.Application of the spectrometer to ultra-intense laser experiment4.Positron spectrum5.Electron spectrum6.Clarification of physics issues relevant to laser fusion new scheme : fast ignition1.This spectrometer is robust and easy to use. The detection part uses an imaging plate (Fuji film Co.). The use of IP has made it possible to use the spectrometer reliably under extremely intense EM noise situation typically existing in ultra-intense laser plasma experiments.2.The IP was calibrated using cyclotron accelerator. The details are published in our paper list : K.A.Tanaka et al., Rev.Sci.Instr., 2004. Because of this accurate calibration, the use of the spectrometer became very versatile. The spectrometers were brought in ultra-intense laser experiments at the Rutherford Appleton Labo. (UK) and produced many electron spectral data. RAL decided to use the spectrometers as a standard diagnostics as well as the Oxford University. The spectrometer will be also approved to be a standard diagnostics at the Institute of Laser Fusion in China.3.The spectrometers were used in many relativistic laser plasma experiments and produced accurate data.4.In the ultra-intense laser experiments, focused laser light accelerates electrons and gamma rays resulting in producing positrons. The spectrometer detected positron spectrum as shown in our paper list : K.A.Tanaka et al., Phys.Plasmas, 2004.5.Electron spectrum was copiously taken in many ultra-intense laser plasma experiments.6.These electron spectral data contributed to many relativistic physics, fast ignition and high energy density science experiments.

本文的研究成果总结如下：1。正电子/电子能谱仪的发展光谱仪calibration3。分光计在超强激光实验中的应用正电子spectrum5。电子spectrum6。激光聚变新方案：快速点火的物理问题澄清。该光谱仪坚固耐用，易于使用。检测部分采用富士胶片公司的成像板。IP的使用使得光谱仪在超强激光等离子体实验中通常存在的极强的电磁噪声情况下可靠地使用成为可能。利用回旋加速器对激电效应进行了标定。详细内容发表在我们的论文列表中：K.A.Tanaka et al., Rev.Sci.Instr。, 2004年。由于这种精确的校准，光谱仪的使用变得非常广泛。这些光谱仪是在卢瑟福阿普尔顿实验室进行的超强激光实验中引入的。（英国），并制作了许多电子能谱数据。RAL决定和牛津大学一样使用光谱仪作为标准诊断手段。该光谱仪也将被批准成为中国激光聚变研究所的标准诊断仪。这些光谱仪用于许多相对论性激光等离子体实验，并产生了精确的数据。在超强激光实验中，聚焦的激光加速电子和伽马射线，产生正电子。光谱仪检测到的正电子谱如我们的论文列表所示：K.A.Tanaka et al., Phys。等离子体,2004.5。在许多超强激光等离子体实验中，大量地采集了电子能谱。这些电子能谱数据为许多相对论物理、快速点火和高能量密度科学实验做出了贡献。