The fabrication and testing of planar refractive hard X-ray lenses made from bulk CVD diamond substrates is reported. The lens structures were generated by electron-beam lithography and transferred by reactive-ion etching into the diamond. Various lens designs were fabricated and tested at 12.4 and 17.5 keV photon energy. Efficiencies of up to 71% and gains of up to 26 were achieved. A line focus of 3.2 mum (FWHM) was measured. These lenses should be able to withstand the extreme flux densities expected at the planned fourth-generation X-ray sources.
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Tokyo Univ Hosp, Dept Infect Control & Prevent, Bunkyo Ku, Tokyo 1138655, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Okugawa, Shu
Kimura, Satoshi
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Kimura, Satoshi
Makita, Eiko
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Makita, Eiko
Seo, Kazunori
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Seo, Kazunori
Koga, Ichiro
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Koga, Ichiro
Matsunaga, Naohisa
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Matsunaga, Naohisa
Kitazawa, Takatoshi
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan
Kitazawa, Takatoshi
Ota, Yasuo
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Teikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, JapanTeikyo Univ, Sch Med, Dept Internal Med, Itabashi Ku, Tokyo 1738606, Japan