Reflecting-power measurements in the spectral region 2000 A. to 1300 A
B. K. Johnson
This report contains a description of the experimental method employed for measuring the reflection coefficients of nine materials in the spectral region 2000 A. to 1300 A., together with the results obtained.
Materials
Curve 1
Temperature K: 298
Wavelength Range, µm: 0.1247-0.1640
Geometry θ θ' ω': ~0° ~0°
Composition (weight percent), Specifications, and Remarks: Reflecting surface polished; back surface ground; measured in vacuum (0.001 mm Hg).
Curve 1
Temperature K: 298
Wavelength Range, µm: 0.134-0.202
Geometry θ θ' w': ~0° ~0°
Composition (weight percent), Specifications and Remarks: Cu₅Sn; speculum; nominal composition: 68.25 Cu and 31.75 Sn; polished with magnesium oxide; measured in vacuum (10⁻³ mm Hg).