Hostname: page-component-848d4c4894-4hhp2 Total loading time: 0 Render date: 2024-05-22T07:57:00.165Z Has data issue: false hasContentIssue false

Experimental Dispersing Devices and Detection Systems for Soft X-Rays

Published online by Cambridge University Press:  06 March 2019

David W. Fischer
Affiliation:
Aeronautical Systems Division Wright-Patterson Air Force Base, Dayton, Ohio
William L. Baun
Affiliation:
Aeronautical Systems Division Wright-Patterson Air Force Base, Dayton, Ohio
Get access

Abstract

Instrumentation for soft X-ray research is briefly described. Preliminary results are shown for several dispersing systems which have been found useful in the 10 to 60 Å region. Results from single crystals of Group 1A salts of phthalic acid are discussed and intensity measurements are reported. Other organic single crystals, such as long-chain derivatives of adipic acid are evaluated, along with films of organic compounds prepared by the Blodgètt-Langmuir technique. The efficiencies of the dispersing elements mentioned above are compared with commercial crystals such as mica, gypsum, ADP, and EDDT. Performance of detectors for soft X-rays is shown for fiow-proportional and Geiger counters, a solid state silicon barrier detector, and a windowless resistance strip magnetic electron multiplier. The relative efficiencies of several photocathode materials for the latter are discussed. The design for a scintillation counter sensitive over a wide energy range is discussed and preliminary results using the counter in the region 1-15 Å are shown.

Type
Research Article
Copyright
Copyright © International Centre for Diffraction Data 1963

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Furnasfind, T. C. White, E. W., “A Program of Basic Research to Study X-Ray Spectra in the Region 15 to 50 Å,” WADD Technical Report 61-168, March 1961.Google Scholar
2. Beard, D. W. and Furnas, T. C., “A Program of Basic Research to Study X-Ray Spectra in the Region 15 to 50 Å,” ASD Technical Documentary Report 62-519, May 1962.Google Scholar
3. Fischer, D. W., “X-Ray Crystallographic and Powder Data for Some Salts of Phthalic Acid,” ASD Technical Documentary Report 63-356, April 1963.Google Scholar
4. Baun, W. L. and Fischer, D. W., “Preparation and Use of Organic Compounds as Dispersing Devices for Long Wavelength X-Rays,” ASD Technical Documentary Report 63-310, April 1963.Google Scholar
5. Lukirskii, A. P., Rumsk, M. A., and Karpovich, C. A., “Measurement of the Photoelectric Yield of the External Photoeffect Caused by X-Rays in the Wavelength Range from 1,54-13,3 A,” Optika i Spektroskopiya 9: 343, 1960.Google Scholar
6. Holliday, J. E., “A Soft X-Ray Spectrometer Using a Flow Proportional Counter,” Rev. Sci. Instr. 31(8): 891, 1960.Google Scholar