Optical Constants and Bulk Optical Properties of Soda Lime Silica Glasses for Windows

Publication Type
Journal Article
Author
LBL Report Number
LBL-13572
Abstract

A comprehensive set of optical constants and a partial set of bulk optical properties are listed for clear, absorbing, and low-iron glasses used for windows. The measurements extend from the near ultraviolet to the far infrared, covering the range of interest for calculating solar and thermal radiative transfer through windows. This information is also needed to calculate the properties of thin-film coatings on glass substrates. Large variations in solar absorption are observed among these glasses, whereas the far-infrared properties are almost constant for all glass types. An important quantity, the hemispherical total emissivity, is 0.837 at 20 degrees C, as determined from reflectance data measured with an IBM Fourier-transform spectrometer. Solar properties are determined from conventional transmission and reflection measurements.

Journal
Solar Energy Materials
Volume
12
Year of Publication
1985
Number
4
Pagination
275-288
Call Number
LBL-13572
Custom 1
<p>Windows and Daylighting Group</p>
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