EFFICIENCY OF GRAZING-INCIDENCE OPTICS - THE SPIRAL COLLIMATOR

被引：4
|
作者：
ARTYUKOV, IA
VINOGRADOV, AV
KOZHEVNIKOV, IV
机构：
来源：
APPLIED OPTICS | 1991年 / 30卷 / 28期
关键词：
D O I：
10.1364/AO.30.004154
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Geometric properties and construction of the spiral collimator are discussed. The expression for the efficiency of power conversion of a divergent soft x-ray point source into a parallel beam is obtained. The efficiency of the spiral collimator is shown to be up to 30-90% in the whole soft x-ray spectral range. This efficiency is limited only by the fundamental reason: x-ray radiation absorption in the mirror coating of the spiral collimator. In this sense, the spiral collimator is more effective than any known x-ray optical collimation system with one or manifold reflections.
引用
收藏
页码：4154 / 4157
页数：4
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