Bannister, N. P., Harris, Kenneth David Maclean  ORCID: https://orcid.org/0000-0001-7855-8598, Collins, S. P., Martindale, A., Monks, P. S., Solan, G. and Fraser, G. W.
2006.
Dichroic Filters For Astronomical X-Ray Polarimetry.
Experimental Astronomy
21
(1)
, pp. 1-12.
10.1007/s10686-006-9054-1
|
Abstract
We describe a programme of research to investigate materials which exhibit linear dichroism at X-ray wavelengths, and to assess their potential as astronomical X-ray polarimeters. The availability of polarising filters for X-rays would offer an efficient method of quantifying the polarisation of X-ray radiation from distant, cosmic sources. A polarising dichroic filter is expected to be a compact, low mass device which could add polarimetry capability to an instrument by being introduced into the optical path ahead of a detector. We provide estimates of sensitivity in the context of the proposed XEUS observatory, which compare favourably with those for the most promising alternative technology. We also discuss a number of astrophysical sources which are suited to polarimetric study at discrete energies offered by the X-ray dichroic filter design.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Uncontrolled Keywords: | Instrumentation . X-ray polarimetry . X-ray dichroism |
| Publisher: | Springer |
| ISSN: | 0922-6435 |
| Last Modified: | 18 Oct 2022 13:25 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/13835 |
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