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Oct 2026

Atomic-level polishing of x-ray mirrors using PMMA and water

X-ray focusing mirrors require nanometer-level figure accuracy and sub-nanometer surface roughness to preserve the x-ray wavefront and achieve high-performance focusing. To meet these stringent requirements, we investigated an alternative polishing approach using organic polymer tools. Among the tested polymers, polyme...

Jian-Li Guo, Toshihisa Yairi, H. Motoyama et al. · 0 citations
Oct 2026

Development of a differential deposition system based on wavefront metrology for ellipsoidal mirrors

Ellipsoidal X-ray mirrors are ideal focusing optics, offering a high numerical aperture (NA), a long working distance, and high beam utilization efficiency. However, the figure accuracy of mirrors fabricated via the electroforming process is limited to approximately 100nm PV due to internal stress relaxation upon relea...

Y. Ebiike, H. Motoyama, S. Egawa et al. · 0 citations

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