A MULTIPURPOSE POLARIMETER FOR X-RAY STUDIES

Citation
Kd. Finkelstein et al., A MULTIPURPOSE POLARIMETER FOR X-RAY STUDIES, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 347(1-3), 1994, pp. 124-127
Citations number
8
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
ISSN journal
01689002
Volume
347
Issue
1-3
Year of publication
1994
Pages
124 - 127
Database
ISI
SICI code
0168-9002(1994)347:1-3<124:AMPFXS>2.0.ZU;2-I
Abstract
A compact polarimeter for the characterization of X-ray polarization h as been built and tested. The device permits the measurement of linear polarization by Bragg diffraction and the determination of circular p olarization by means of multiple-beam diffraction [1]. This device is small enough to be mounted on the two-theta arm of a 4-circle spectrom eter so that the polarization properties of a beam emerging from an X- ray experiment can be determined. We present several schematic views a nd important details of the device design. In addition we present resu lts obtained in using the polarimeter to characterize both the angular distribution of synchrotron radiation at the CHESS F3 station and fro m measurements of resonant diffraction in hematite (alpha-Fe2O3) near the iron K-edge.