First demonstration of X-ray mirrors using focused ion beam

被引:8
|
作者
Numazawa, Masaki [1 ]
Ezoe, Yuichiro [1 ]
Ishikawa, Kumi [2 ]
Ogawa, Tomohiro [1 ]
Sato, Mayu [1 ]
Nakamura, Kasumi [1 ]
Takeuchi, Kazuma [1 ]
Terada, Masaru [1 ]
Ohashi, Takaya [1 ]
Mitsuda, Kazuhisa [3 ]
Kelley, Ron [4 ]
Murata, Kaoru [5 ]
机构
[1] Tokyo Metropolitan Univ, Hachioji, Tokyo 1920397, Japan
[2] RIKEN, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
[3] JAXA, ISAS, Sagamihara, Kanagawa 2525210, Japan
[4] FEI Co, Hillsboro, OR 97124 USA
[5] FEI Japan NanoPort, Minato Ku, Tokyo 1080075, Japan
关键词
SILICON-WAFERS; OPTICS;
D O I
10.7567/JJAP.55.06GP11
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on novel X-ray mirrors fabricated with a focused ion beam for future astronomical missions. We fabricated a test sample from a silicon wafer by forming six slits whose sidewalls were used as X-ray reflection surfaces. The six slits were designed with a size of 25 x 300 x 170 mu m(3) and with different inclination angles of 0 and +/- 1 degrees. We examined X-ray reflection using three slits with different inclination angles at Al K alpha 1.49 keV. Consequently, we demonstrated X-ray reflection from all the three slits. All the sidewalls have multiangular components with a microroughness of similar to 1 nm rms. similar to 30-45% of the total surface area is effective for X-ray reflection. We confirmed that the inclination angles are consistent with the designed values. (C) 2016 The Japan Society of Applied Physics
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页数:5
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