宽能量范围纳米聚焦和高分辨率软x射线光束线的设计。

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Review of Scientific Instruments Pub Date : 2025-04-01 DOI:10.1063/5.0259907

Y B Shi, L Tang, J H He

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引用次数: 0

摘要

在即将建成的武汉先进光源上，我们提出了用于角分辨光电子能谱测量的高能分辨率和纳米光斑尺寸软x射线光束线的光学设计。对于光束线部分，两个椭圆波动器提供了覆盖10-1000 eV能量范围的可变偏振光子。基于Kirkpatrick-Baez对，光束线在800 eV时的预期能量分辨能力为~ 40000，在200 eV时光斑尺寸为500 × 500 nm2（水平×垂直FWHM），通量为1 × 1012光子/s。

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Design of a wide-energy-range nano-focus and high-resolution soft x-ray beamline.

We present the optical design of a high-energy-resolution and nano spot size soft x-ray beamline for angle-resolved photoelectron spectroscopy measurements at the soon-to-be-constructed Wuhan Advanced Light Source. For the beamline part, two elliptical undulators provide photons covering the 10-1000 eV energy range with variable polarization. The expected energy resolution power of the beamline is ∼40 000 at 800 eV and a spot size of 500 × 500 nm2 (horizontal × vertical FWHM) at 200 eV with a flux of 1 × 1012 photons/s based on Kirkpatrick-Baez pairs.

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来源期刊

Review of Scientific Instruments 工程技术-物理：应用

CiteScore

3.00

自引率

12.50%

发文量

758

审稿时长

2.6 months

期刊介绍： Review of Scientific Instruments, is committed to the publication of advances in scientific instruments, apparatuses, and techniques. RSI seeks to meet the needs of engineers and scientists in physics, chemistry, and the life sciences.