The optical constants of plutonium metal between .7 and 4.3 eV measured by spectroscopic ellipsometry using a double-windowed experimental chamber.

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A double-windowed vacuum-tight experimental chamber was developed, and calibrated on the spectroscopic ellipsometer over the energy range from .7 to 4.5 eV using a silicon wafer with approximately 25 nm oxide thickness to remove the multiple-window effects from measurements. The ellipsometric measurements were done such that incident and exit beam were at 65 degree from surface normal. The plutonium sample (3 mm diameter, .1 mm thick) was electro-polished and mounted into the sample chamber in a glove box having a nitrogen atmosphere with less than 100ppm moisture and oxygen content. The index of refraction n and the extinction coefficient k ... continued below

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Mookerji, B; Stratman, M; Wall, M & Siekhaus, W July 6, 2006.

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A double-windowed vacuum-tight experimental chamber was developed, and calibrated on the spectroscopic ellipsometer over the energy range from .7 to 4.5 eV using a silicon wafer with approximately 25 nm oxide thickness to remove the multiple-window effects from measurements. The ellipsometric measurements were done such that incident and exit beam were at 65 degree from surface normal. The plutonium sample (3 mm diameter, .1 mm thick) was electro-polished and mounted into the sample chamber in a glove box having a nitrogen atmosphere with less than 100ppm moisture and oxygen content. The index of refraction n and the extinction coefficient k decrease from 3.7 to 1 and 5.5 to 1.1 respectively as the photon energy increases from .7 to 4.3 eV.

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PDF-file: 12 pages; size: 1.7 Mbytes

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  • Presented at: Pu Futures, Asilomar, CA, United States, Jul 10 - Jul 14, 2006

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  • Report No.: UCRL-CONF-222775
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 929180
  • Archival Resource Key: ark:/67531/metadc895198

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 6, 2006

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 6, 2016, 3:01 p.m.

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Mookerji, B; Stratman, M; Wall, M & Siekhaus, W. The optical constants of plutonium metal between .7 and 4.3 eV measured by spectroscopic ellipsometry using a double-windowed experimental chamber., article, July 6, 2006; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc895198/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.