Active Microstructured Optical Arrays of Grazing Incidence Reflectors
Active Microstructured Optical Arrays of Grazing Incidence Reflectors
复制标题
掠入射反射器的有源微结构光学阵列
DOI:
10.1155/2010/856836
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发表时间:
2010
期刊:
影响因子:
--
通讯作者:
Willingale R
中科院分区:
文献类型:
--
作者:
Willingale R
The UK Smart X‐Ray Optics (SXO) programme is developing active/adaptive optics for terrestrial applications. One of the technologies proposed is microstructured optical arrays (MOAs), which focus X‐rays using grazing incidence reflection through consecutive aligned arrays of microscopic channels. Although such arrays are similar in concept to polycapillary and microchannel plate optics, they can be bent and adjusted using piezoelectric actuators providing control over the focusing and inherent aberrations. Custom configurations can be designed, using ray tracing and finite element analysis, for applications from sub‐keV to several‐keV X‐rays, and the channels of appropriate aspect ratios can be made using deep silicon etching. An exemplar application will be in the microprobing of biological cells and tissue samples using Ti Kαradiation (4.5 keV) in studies related to radiation‐induced cancers. This paper discusses the optical design, modelling, and manufacture of such optics.
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DOI:
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发表时间:
2003
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DOI:
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发表时间:
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