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根据客户需求提供定制多毛细管x射线光学解决方案、/span>
多毛细管准直透镜器件将高度发散的 X 光束转换成低发散的准平行光束。这些透镜器件主要应用 X 射线衍射 (XRD) 和波长色散谱 (WDS)、/span>
多毛细管聚焦透镜器件 X 射线源收 X 射线的大立体角,并将射线聚焦为小 10 m 的光斑。获得的 X 射线通量密度比用常规针孔准直器获得的高几个数量级。这些透镜器件的主要应用是微量 X 射线荧光 (XRF) 分析,广泛用于薄膜和电镀分析、贵金属评估、合金测量和电路板涂层监测。该透镜器件还可用于在诸如共 XRF 分析和超导能量色 X 射线光谱仪等应用中进行检测。使用多毛细管聚焦透镜器件将显著提高检测灵敏度,并允许使用低功 X 射线管实现高性能。微米级空间分辨率使之可应用于电子和贵金属小特性评估。多毛细管透镜器件提供 100x-10?00x 的增益,输出焦点可小 10 m、/span>
特?/span>来自微米级光斑的量级通量增益 ? 与紧凑型低功率电源集成,可提供相当于旋转阳极源的通量 ? 光谱带宽较宽?0 eV - 50 KeV ? 点对点会聚光杞/p> ? 点对平行光束 ? 可定制设计机売/p> 优势极高的通量密度 ? 提高了空间分辨率 ? 非常适合分析形状不规则、未经制备或低阻抗的样品 优于电子探针 X 射线分析9/span>? 增强检测灵敏度 ? 无需特殊样品制备 ? 在空气中操作 |
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技术参数:
Focusing Optics |
Applications include micro-XRF forelemental mapping plating thickness and fine feature analysis. |
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Working distance(mm) |
2 |
4 |
9 |
20 |
50 |
100 |
200 |
|
Focal spot size*(mFWHM+/span>17.4keV) |
7 |
15 |
25 |
45 |
100 |
180 |
300 |
|
Intensity gain* (vs plnhole collimator of same size 100mm fom the source) |
6000 |
4500 |
3500 |
2000 |
800 |
300 |
120 |
Note: *With 100m X-ray source.
Half-focusing Optics (XRF/XAS) |
Applications include micro XRF microXAS+/span> and confocal XRF. |
|||||
Working distance(mm) |
2 |
4 |
9 |
20 |
50 |
|
Focal spot size*(mFWHM+/span>17.4keV) |
7 |
15 |
25 |
45 |
100 |
|
Intensity gain* (vs a pinhole collimatorof same size) |
850 |
550 |
400 |
200 |
80 |
Note: *With an incident beam of 2mm in diameter and a divergent angle of <0.5mrad
Collimating/Parallel Beam Optics (XRD/WDS/XRF) |
Applications include powder XRD texture andstressanalysis WDS and confocal XRF. |
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Outputbeam diameter(mm) |
0.5 |
1 |
2 |
3 |
4 |
6 |
10 |
15 |
|
Intensity gain* |
12 |
45 |
130 |
250 |
370 |
470 |
680 |
850 |
Note: *With 50m X-ray source at 8keV The lFD of the optics is 18mm and the output divergent angle is 0.2 degree.
Comparison of MXRF spectra generated using a focusing polycapillary optic and a pinhole aperture.The spectra was collected by scattering a Mo beam off Plexiglas. |
Figure 2: 采用光晕抑制型毛细管实现高分辨率 XRFMapping
Comparison of MXRF spectra generated using a focusing polycapillary optic and a pinhole aperture.The spectra was collected by scattering a Mo beam off Plexiglas. |
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