Document Type : Research Paper
Abstract
Several models of Iranian imported glass were selected in different colors (yellow, bronze, and black coated) with a thickness of (4) mm. The intensity of the transmitted beam was measured to determine the optical properties (transmittance, reflectivity and absorption) and to calculate the energy gap for the permissible direct transmission. It was found that the absorption coefficient of the yellow glass is The absorption coefficient of other colors is lower than that of glass. In addition, yellow glass has a greater transmittance compared to other colors.
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