Takagi Kazuto, Kakinuma Hiroyuki, Kato Yuji, Shimizu Koichi
Graduate School of Information Science and Technology, Hokkaido University, Kita-ku, Sapporo, Japan.
Opt Express. 2009 May 11;17(10):8332-42. doi: 10.1364/oe.17.008332.
Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. In experiments using a 15-mm-thick scattering medium (mu(s)' = 1.0/mm), the cross-section of the light propagation area at the center of the medium was confined to a 50% area. This method's usefulness was demonstrated by transillumination imaging through a 40-mm-thick piece of chicken meat. The possibility of depth evaluation was also verified.
透过漫散射介质的透射光包括强漫射光（SDL）和弱散射光（WSL）。为了实现通过通常厚度超过10毫米的厚体组织进行清晰的透照成像，我们开发了一种从漫射光中提取WSL成分的技术。在使用厚度为15毫米的散射介质（μ(s)' = 1.0/mm）的实验中，介质中心处光传播区域的横截面被限制在50%的面积内。通过对一块40毫米厚的鸡肉进行透照成像，证明了该方法的有效性。深度评估的可能性也得到了验证。
