Abstract
A focusing optics that can provide a sub-micrometre high-flux probe for soft X-ray micrometre-scale angle-resolved photoemission spectroscopy (ARPES) is proposed. A monolithic Wolter-type mirror with a large acceptance, achromatism and small comatic aberration was designed and evaluated. A focused beam size of 0.4 μm (vertical) × 4 μm (horizontal), a high throughput of 59% and a high tolerance of 1.6 mrad to the pitching error were realized at a photon energy of 1000 eV. A Wolter-type mirror can be practically employed as a stable sub-micrometre focusing mirror with high throughput in ARPES applications.
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CITATION STYLE
Senba, Y., Kishimoto, H., Takeo, Y., Yumoto, H., Koyama, T., Mimura, H., & Ohashi, H. (2020). Stable sub-micrometre high-flux probe for soft X-ray ARPES using a monolithic Wolter mirror. Journal of Synchrotron Radiation, 27, 1103–1107. https://doi.org/10.1107/S1600577520007274
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