Multilevel stacked Fresnel zone plate for hard X-rays

被引：1
|
作者：
Haroutunyan, Levon [1 ]
Trouni, Karapet [2 ]
Kuyumchyan, Armen [3 ]
机构：
[1] Yerevan State Univ, Alex Manoogian St 1, Yerevan 375025, Armenia
[2] Candle Synchrotron Res Inst Founda, Yerevan 375040, Armenia
[3] American NanoScience & Adv Med Equipme Inc, Glendale, CA 91204 USA
来源：
ADVANCES IN X-RAY/EUV OPTICS AND COMPONENTS VIII | 2013年 / 8848卷
关键词：
X-ray optics; X-ray focusing; Fresnel zone plate; stacking; multilevel zone plate; imaging; RADIATION;
D O I：
10.1117/12.2023605
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Stacking technique of the Fresnel zone plate fabrication with effective multilevel zone structure was considered by means of numerical simulation. It was shown that such approach allows increasing focusing efficiency without essential additional fabrication difficulties since the proposed device is a simple combination of bi-level structures. The conditions, at which layers are acting as a single zone plate, as well as criteria of layer alignment aren't significantly changed compared with those of bi-level case. The angular sensitivity estimation shows that it allows imaging of objects larger than zone plate diameter.
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页数：7
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