MRI: Acquisition of Tunable Laser Systems for Laser Induced Fluorescence in Plasmas

MRI:获取等离子体中激光诱导荧光的可调谐激光系统

基本信息

  • 批准号:
    0918526
  • 负责人:
  • 金额:
    $ 26.53万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2012-08-31
  • 项目状态:
    已结题

项目摘要

Laser-induced-fluorescence (LIF) provides a means of non-perturbatively determining the complete ion or neutral atom velocity distribution (VDF) function in a plasma along any direction with high spatial and temporal resolution. The upgrade of the laser systems currently in use will significantly enhance the present experimental capabilities of the laboratory. The new instrumentation includes a solid-state-laser pumped ring dye laser for Ar II and Xe II LIF and a portable, tunable, high-power diode laser in a Master Oscillator Power Amplifier (MOPA) configuration for Ar II, He I, and Ar I LIF. These new laser components will enhance four ongoing experimental projects, which include: a study of the effects of multi-ion species plasmas on double layer formation in the expansion region of compact helicon source plasma; an investigation of ion heating and acceleration arising from the damping of magnetohydrodynamic waves thought to play important roles in the heating and acceleration of the solar corona; a collaboration with the University of Tromsø that will examine the role of sheared flows in multi-species plasmas, and a collaboration with Auburn University that will investigate the bulk flow of ions while simultaneously measuring the dust velocity field in a complex, i.e., dusty, plasma. In addition to these ongoing collaborations, this group is actively pursuing additional LIF-based collaborations involving plasma thrusters, studies of ion heating during magnetic reconnection, and plasma-assisted reforming of coal into methane. Beyond the impact that the proposed instrumentation will have on ongoing scientific studies, the WVU physics program attracts collaborators from within and outside the United States; over 30 collaborators have participated in either training or collaborative LIF experiments in the PI's laboratory over the past ten years. This group has a record of disseminating their LIF advances through publications, collaborative experiments involving the portable LIF system, and hands-on training of visiting scientists and students from the United States and abroad. In addition, the laboratory provides internal training and education opportunities for graduate students, undergraduates, and postdoctoral researchers. The proposed activities will improve the percentage of women and other underrepresented groups, such as first generation college students, obtaining advanced degrees in physics; increase involvement of undergraduates in cutting-edge scientific research; enhance the mentoring of postdoctoral researchers in the development and leadership of national and international collaborations; help to attract new minority physics faculty, and support the plasma physics investigations of six current external users through their use of the LIF system at WVU and the use of the portable LIF system at their home institutions
激光诱导荧光(LIF)提供了一种无扰动测定等离子体中离子或中性原子沿任何方向的完整速度分布(VDF)函数的方法,具有高空间和时间分辨率。目前使用的激光系统的升级将大大提高实验室目前的实验能力。新仪器包括用于Ar II和Xe II LIF的固态激光泵浦环形染料激光器,以及用于Ar II, He I和Ar I LIF的便携式,可调谐,高功率二极管激光器,主振荡器功率放大器(MOPA)配置。这些新的激光元件将加强四个正在进行的实验项目,其中包括:多离子等离子体对紧凑螺旋源等离子体膨胀区双层形成的影响的研究;在日冕的加热和加速中起重要作用的磁流体动力波阻尼引起的离子加热和加速的研究与特罗姆瑟大学的合作将研究剪切流在多物种等离子体中的作用,与奥本大学的合作将研究离子的大量流动,同时测量复杂的尘埃速度场,即尘埃等离子体。除了这些正在进行的合作之外,该小组正在积极寻求其他基于liff的合作,包括等离子体推进器,磁重联过程中离子加热的研究,以及等离子体辅助煤转化为甲烷。除了拟议的仪器将对正在进行的科学研究产生影响之外,WVU物理项目吸引了来自美国国内外的合作者;在过去的十年中,有超过30位合作者参加了PI实验室的培训或协作LIF实验。该小组通过出版物、涉及便携式LIF系统的合作实验以及对来自美国和国外的访问科学家和学生的实际培训来传播他们的LIF进展。此外,实验室还为研究生、本科生和博士后研究人员提供内部培训和教育机会。拟议的活动将提高妇女和其他代表性不足的群体(如第一代大学生)获得物理学高级学位的百分比;增加本科生对前沿科学研究的参与;加强对博士后研究人员在发展和领导国内和国际合作方面的指导;帮助吸引新的少数民族物理教师,并支持六位当前外部用户的等离子体物理研究,通过他们在WVU使用LIF系统和在他们自己的机构使用便携式LIF系统

项目成果

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EARL SCIME其他文献

EARL SCIME的其他文献

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{{ truncateString('EARL SCIME', 18)}}的其他基金

Phase Space Studies of Ion Energization in Laboratory Plasmas
实验室等离子体中离子能量的相空间研究
  • 批准号:
    1902111
  • 财政年份:
    2019
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant
MRI: Development of the PHAse Space MeAsurements (PHASMA) Experiment
MRI:PHAse 空间测量 (PHASMA) 实验的发展
  • 批准号:
    1827325
  • 财政年份:
    2018
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Standard Grant
Student Support for the 2017 Gaseous Electronics Conference
2017 年气体电子会议的学生支持
  • 批准号:
    1744618
  • 财政年份:
    2017
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Standard Grant
GOALI: Optimization of Ion Beam Extraction - Enabling Technology for Advanced Semiconductor Fabrication
GOALI:离子束提取的优化 - 先进半导体制造的支持技术
  • 批准号:
    1617880
  • 财政年份:
    2016
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant
Experimental Investigation of Spontaneous Double Layers in Expanding Plasmas
膨胀等离子体中自发双层的实验研究
  • 批准号:
    1360278
  • 财政年份:
    2014
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant
Data-Driven Networking Infrastructure: The Development of Cyberinfrastructure to Support Scientific and Engineering Research at West Virginia University
数据驱动的网络基础设施:西弗吉尼亚大学支持科学和工程研究的网络基础设施的开发
  • 批准号:
    1440655
  • 财政年份:
    2014
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Standard Grant
Experimental Investigation of Ion Heating Due to Magnetohydrodynamic Waves
磁流体动力波离子加热的实验研究
  • 批准号:
    0902085
  • 财政年份:
    2009
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Standard Grant
ION AND NEUTRAL VELOCITY DISTRIBUTIONS IN MULTI-ION PLASMA SHEATHS
多离子等离子体鞘中的离子和中性速度分布
  • 批准号:
    0713784
  • 财政年份:
    2007
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant
Experimental Investigation of Ion Response to Propagating Alfvén Waves
离子对传播阿尔文波响应的实验研究
  • 批准号:
    0611571
  • 财政年份:
    2006
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant
Experimental Investigation of Ion Heating Due to Alfven Wave Driven Turbulence
阿尔文波驱动湍流离子加热的实验研究
  • 批准号:
    0315356
  • 财政年份:
    2003
  • 资助金额:
    $ 26.53万
  • 项目类别:
    Continuing Grant

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  • 资助金额:
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