Abstract
An experimental set-up was devised to record the transmission of red and green HeNe lasers through different types of paper. The measured data was compared with data obtained using the Henyey-Greenstein function (often employed in paper optics models to represent the bulk scattering of material samples) and data obtained using an alternative exponentiated cosine function. The comparisons are used to qualitatively assess the degree of fidelity of the bulk scattering approximations provided by both functions.
Highlights
In the field of grading paper, many appearance related attributes are evaluated using optical techniques
Properties like brightness and opacity can be determined through the measurement of light reflection and transmission responses of material samples [1]
Employ functions to describe the bulk scattering of material samples
Summary
In the field of grading paper, many appearance related attributes are evaluated using optical techniques. Computer simulations are being used to predict paper appearance attributes before manufacturing to mitigate production costs. While stochastic approaches (e.g., Monte Carlo based models [4, 5]) are known for their flexibility, deterministic approaches (e.g., Kubelka-Munk and discrete ordinate based models [6]) usually require less computational time. Both approaches, employ functions to describe the bulk scattering of material samples
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