Abstract
The light diffusion behavior in a glass particle-dispersed epoxy matrix composite was evaluated using a pico-second order light pulse. Change in pulse profile was detected, and this change in different detection areas is discussed. The light scattering behavior in the composite was directly observed, and the result was compared with the pulse profile change. This change appeared in the pulse shape, and depended on the particle volume fraction and the area of light detected. The maximum probable light path extension and the light transmittance were strongly correlated with the direct observation result of spatial spreading behavior of light in the composite. The combination use of (i) maximum probable light path extension and (ii) light transmittance was effective in evaluating the light-scattering behavior of the composite. The method is applicable to evaluation of the light-scattering process in light-transmitting materials.
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Matsumura, K., Kagawa, Y. Spatial and temporal spreading behaviors of light in glass particle-dispersed epoxy matrix composites evaluated by pico-second order light pulse profile. Journal of Materials Research 18, 2644–2652 (2003). https://doi.org/10.1557/JMR.2003.0370
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DOI: https://doi.org/10.1557/JMR.2003.0370