Fabrication of a hard x-ray sputtered-sliced Fresnel phase zone plate

被引:24
作者
Kamijo, N
Tamura, S
Suzuki, Y
Handa, K
Takeuchi, A
Yamamoto, S
Ando, M
Ohsumi, K
Kihara, H
机构
[1] HITACHI LTD,ADV RES LAB,HATOYAMA,SAITAMA 35003,JAPAN
[2] RITSUMEIKAN UNIV,SHIGA 52577,JAPAN
[3] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN
[4] NATL LAB HIGH ENERGY PHYS,PHOTON FACTORY,TSUKUBA,IBARAKI 305,JAPAN
[5] KANSAI MED UNIV,HIRAKATA,OSAKA 573,JAPAN
关键词
D O I
10.1063/1.1147851
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A Fresnel phase zone plate for hard x ray was fabricated by physical vapor deposition alternating transparent and opaque layers onto a fine gold wire core 47 mu m in diameter. The zone plate, which is comprised of 25 pairs of alternating Ag and C layers, is designed to operate with a focal length of 124 mm for a parallel beam at 8.1 keV. The thickness of the zone plate is less than 10 mu m and is capable of operating as a phase zone plate, Using the brilliant monochromatized x-ray beam from the TRISTAN Main Ring, with an undulator, the minimum focal spot size attained for the first order focal beam was 0.5 mu m phi. The light collecting efficiency was determined to be near 11%. (C) 1997 American Institute of Physics.
引用
收藏
页码:14 / 16
页数:3
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