Temperature K: 298
Wavelength Range, µm: 0.428-0.625
Geometry θ': ~0° 2π
Composition (weight percent), Specifications, and Remarks: Block; surface machined.
Source for Curve 1
Data originally published at 10.1364/JOSA.38.000445. Tabulated data extracted from Y. S. Touloukian and D. P. DeWitt, *Thermal Radiative Properties: Nonmetallic solids*, Thermophysical Properties of Matter - The TPRC Data Series, Volume 8, IFI/Plenum, New York, 1972; table 208, curve 1. Digital version served at EKHI (https://thermomat.ehu.eus/ekhi).