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Doppler-shifted reflections of X rays in beamfoil spectroscopyCarbon foils were positioned at roughly 10 deg to the conventional perpendicular position so that the spectrometer would view the beam on emergence from the foil, with no radiation shielded by a bowed or wrinkled foil or by the foil holder. Extraneous peaks due to reflected radiation were detected in the spectrum obtained with the tilted foil. A large satellite appears longward of the spectral line and is attributed to Doppler-shifted radiation reflected from the foil surface. Special tests arranged to validate the origin of the satellites are described. The relative intensity of the reflected radiation compared with the direct radiation observed is at variance with the relative intensities reported for longer wavelengths. The reasons for this, possible effects of spectrometer geometry, and applications in the investigation or generation of polarization remain to be investigated
Document ID
19760056786
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bernstein, E. M.
(Arizona Univ. Tucson, AZ, United States)
Mcintyre, L. C., Jr.
(Arizona, University Tucson, Ariz., United States)
Date Acquired
August 8, 2013
Publication Date
August 1, 1976
Publication Information
Publication: Applied Optics
Volume: 15
Subject Category
Instrumentation And Photography
Accession Number
76A39752
Distribution Limits
Public
Copyright
Other

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