MICROXAS IMAGING SYSTEM FOR BL 6-2

适用于 BL 6-2 的 MICROXAS 成像系统

• 批准号: 7721942
• 负责人: PIERO A PIANETTA
• 金额: $ 0.96万
• 依托单位: STANFORD UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-03-01 至 2009-02-28
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7721942
• 关键词: Area; Computer Retrieval of Information on Scientific Projects Database; Decompression Sickness; Funding; Grant; Image; Institution; Intercept; Location; Optics; Range; Research; Research Personnel; Resources; Sampling; Source; Spottings; Surface; System; United States National Institutes of Health; Work; absorption; desire; planetary Atmosphere; size; virtual

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. A commercial Kirkpatrick-Baez (KB) mirror system from Xradia Inc. is installed on BL6-2 in a virtual source configuration. Sub-micrometer focusing for XAS imaging is obtained using two Rh coated adjustable KB mirrors in a crossed geometry for vertical and horizontal focusing, each with a self-contained bending mechanism to set the desired surface figure. The optics is enclosed in a He atmosphere, reducing absorption and scatter. A high precision slit aperture mounted downstream of the first vertically focusing KB mirror enables setting the intercepted beam size of the optics, and allows trading focused flux for spot size by probing different areas and locations of the mirror surface. Beam sizes range from 2 x 2 to 15 x 15 (horz x vert micrometer^2). Work continued on approaches of sample cooling.

该副本是利用众多研究子项目之一 由NIH/NCRR资助的中心赠款提供的资源。子弹和 调查员（PI）可能已经从其他NIH来源获得了主要资金， 因此可以在其他清晰的条目中代表。列出的机构是 对于中心，这不一定是调查员的机构。 Xradia Inc.的商业Kirkpatrick-Baez（KB）镜像系统安装在虚拟源配置中的BL6-2上。 XAS成像的子微微光计的聚焦是使用两个覆盖的可调KB镜子在交叉几何形状中进行垂直和水平焦点的，每个镜子都具有一个独立的弯曲机制来设置所需的表面图。 光学元件被封闭在HE大气中，减少了吸收和散射。 第一个垂直聚焦的KB镜子下游安装的高精度缝隙孔可实现光学元件的截距梁尺寸，并通过探测镜面表面的不同区域和位置，使集中磁通的焦点均匀。 梁尺寸范围为2 x 2到15 x 15（Horz x Vert千分尺^2）。 在样品冷却的方法上继续进行工作。