Hard X-ray imaging with microchannel plate optics

被引：32

作者：

Willingale, R ^{[1
]}

Fraser, GW ^{[1
]}

Brunton, AN ^{[1
]}

Martin, AP ^{[1
]}

机构：

[1] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England

来源：

EXPERIMENTAL ASTRONOMY | 1998年 / 8卷 / 04期

关键词：

instrumentation : miscellaneous; MCP optics; telescopes; X-rays : general;

D O I：

10.1023/A:1008099315152

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate, by ray-trace simulation, two hard X-ray telescopes based on microchannel plate (MCP) optics. The first is the, by now well known, lobster-eye geometry, while the second is a novel design. The second design uses a pair of MCPs with square channels packed in a radial fashion and represents a conical approximation to the Welter type I configuration. We show that such telescopes can provide X-ray imaging at energies up to 100 keV. Effective area may be scaled arbitrarily by co-aligning many MCP optics. As an example, we calculate that 50 parallel Welter I units each of 60 mm diameter and 5 m focal length yield a sensitivity of 1 milli Crab at 45 keV in a 10(5) second integration.

引用

页码：281 / 296

页数：16

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