Aberration-corrected echelle spectrometer for measuring ultraviolet branching fractions of iron-group ions

Michael P. Wood; James E. Lawler

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Aberration-corrected echelle spectrometer for measuring ultraviolet branching fractions of iron-group ions

机译：像差校正的埃歇尔光谱仪，用于测量铁族离子的紫外线分支分数

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A high-resolution echelle spectrometer with broad wavelength coverage from the UV to the IR and high sensitivity to weak lines is described. Total instrument astigmatism is suppressed through rotation of the order separation system into an orthogonal plane. A suitable choice of mirror angles avoids increased coma. This spectrometer is used to record UV through IR spectra of Fe-group ions to measure improved branching fractions. These new results reduce transition probability uncertainties and yield more accurate derived stellar abundances. Instrument design and performance, including aberration compensation, are presented.

机译：描述了一种高分辨率的阶梯光谱仪，其具有从紫外线到红外的宽波长覆盖范围以及对弱线的高灵敏度。通过将顺序分离系统旋转到正交平面中，可以抑制总仪器散光。镜角度避免的适当选择增加昏迷。该光谱仪用于通过铁族离子的红外光谱记录紫外线，以测量改善的分支分数。这些新结果减少了过渡概率的不确定性，并产生了更准确的衍生恒星丰度。介绍了仪器的设计和性能，包括像差补偿。

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《Applied optics》 |2012年第35期|共6页
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Michael P. Wood; James E. Lawler;
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1. Aberration-corrected echelle spectrometer for measuring ultraviolet branching fractions of iron-group ions [J] . Michael P. Wood, James E. Lawler Applied optics . 2012,第35期

机译：像差校正的埃歇尔光谱仪，用于测量铁族离子的紫外线分支分数
2. Design of a high-resolution extreme-ultraviolet imaging spectrometer with aberration-corrected concave gratings [J] . Harada T., Takahashi K., Watanabe T., Applied optics . 1998,第28期

机译：带有像差校正凹面光栅的高分辨率极紫外成像光谱仪的设计
3. Study on spectral broadband aberration-corrected imaging spectrometer for far-ultraviolet waveband [J] . Lei Yu, Shurong Wang, Yi Qu, Optical engineering . 2011,第6期

机译：紫外波段光谱宽带像差校正成像光谱仪的研究
4. Sensitivity study for mapping the sulfur dioxide distributions with Ozone and Pollution measuring Ultraviolet Spectrometer (OPUS) [C] . Watanabe, M., Okumura, Geoscience and Remote Sensing Symposium, 2002. IGARSS '02. 2002 IEEE International . 2002

机译：用臭氧和污染测量紫外光谱仪（OPUS）绘制二氧化硫分布图的敏感性研究
5. Speciation and elemental analysis employing a custom designed echelle spectrometer and a charge injection device array detector. [D] . Kolczynski, Jeffrey Daniel. 1994

机译：形态和元素分析采用定制设计的埃歇尔光谱仪和电荷注入装置阵列检测器。
6. High Accuracy Ultraviolet Index of Refraction Measurements Using a Fourier Transform Spectrometer [O] . Rajeev Gupta, Simon G. Kaplan 2003

机译：使用傅立叶变换光谱仪测量高精度紫外线折射率
7. A broadband optical cavity spectrometer for measuring weak near-ultraviolet absorption spectra of gases [O] . Chen Jun, Venables Dean S. 2012

机译：用于测量气体的弱近紫外吸收光谱的宽带光腔光谱仪
8. Measuring the branching fraction for Z(sup 0) yields b(bar b) using precision vertex detectors. [R] . D. Koetke 1991

机译：测量Z（sup 0）的分支分数使用精确顶点检测器产生b（b）。

Aberration-corrected echelle spectrometer for measuring ultraviolet branching fractions of iron-group ions

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