Germanium x-ray phase plates for the production of circularly polarized x-rays
The authors have constructed an x-ray phase plate to produce both linearly and circularly polarized x-rays at discrete energies between 20 keV and 88 keV. The plate is a monolithic two-crystal design, constructed from germanium, which increases the resultant degree of circular polarization of the output beam. They have measured the degree of circular polarization at 65 keV to be 90% {+-} 4%, significantly better than that produced by silicon phase plates. This radiation was used to measure the magnetic Compton profile for Fe, which was found to be in good agreement with theory and previous work. The underlying x-ray optics and the characterization of the device between 62 keV and 93 keV at the Cornell High Energy Synchrotron Source are presented.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10194591
- Report Number(s):
- ANL/XFD/CP-81131; CONF-930824-20; ON: DE94002908; TRN: 93:025752
- Resource Relation:
- Conference: Synchrotron radiation instrumentation,Gaithersburg, MD (United States),23-26 Aug 1993; Other Information: PBD: Oct 1993
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
X RADIATION
POLARIZATION
OPTICAL EQUIPMENT
DESIGN
PERFORMANCE TESTING
GERMANIUM
KEV RANGE 10-100
OPTICAL FILTERS
POLARIZED BEAMS
430303
661300
663620
EXPERIMENTAL FACILITIES AND EQUIPMENT
OTHER ASPECTS OF PHYSICAL SCIENCE
PHYSICS OF RADIATIONS OTHER THAN NEUTRONS