Technological applications of photothermal spectroscopy.

(1)目的为了建立一种灵敏有效的光热光谱分析技术，应从以下两个方面对光热现象进行全面研究。(1)光热光谱学研究应阐明新的可能性和前景。(2)研究光热效应的基本过程，开发新技术。(2)调查过程本项目是在五个重要的观点和一系列的四次讨论会议上进行的，如下所述。第一次会议1995年7月21日至22日，东京；第二次会议1995年11月23日至24日，福冈；第三次会议1996年8月20日至21日，京都；第四次会议1997年11月10日至11日，东京(3)结果本项目的成果由个人研究努力和共同讨论组成。(1)基本流程。///小颗粒的形状和大小效应（北海道北村）。基于新方法的基本过程的详细分析（Terashima，京都）。直接电场的扩散长度(丰田，Elect。&通讯)。(2)新仪器。///热导率薄膜（Hata, Kanazawa）。使用SOR环的x射线光热光谱（广岛增岛）。(3)生物应用。///高灵敏度测定皮肤（内山，东京大都会）。(4)表面应用。///水表面的疏水性（九州小川）。液-液界面（Kawazumi, Kinki）。界面吸附等温线（Teramae, Tohoku）。(5)实际应用。///消融过程（伊藤，长冈）。动态热容的频率依赖性（小岛，筑波）。平板光学波导（杉谷，神奈川）。持续监测二恶英（九州今坂）。

(1) PurposeIn order to improve a highly sensitive and effective analytical technique based on photothermal spectroscopy, a comprehensive investigation on photothermal phenomena should be carried out from the following two points of view.(1) New possibilities and prospects should be clarified on photothermal spectroscopy.(2) Basic process in photothermal effects should be investigated to develop new techniques.(2) Process of investigationsThe present project was carried out on five important points of view and on a series of four discussion meetings as described below.First meetings July 21-22,1995 TokyoSecond meetings November 23-24,1995 FukuokaThird meetings August 20-21,1996 KyotoFourth meetings November 10-11,1997 Tokyo(3) ResultsThe results of this project is consisted of individual research efforts and joint discussion.(1) Basic processes. /// Shape and size effect of small particles (Kitamura, Hokkaido). Detailed analysis of basic process based on new methods (Terashima, Kyoto). Diffusion length with a direct electric field (Toyoda, Elect.& Comm.).(2) new instrumentation. /// Thermal conductivity in thin films (Hata, Kanazawa). X-ray photothermal spectroscopy using a SOR ring (Masujima, Hiroshima).(3) Biological applications. /// High sensitive determination on skin (Uchiyama, Tokyo Met.).(4) Surfacial applications. /// Hydrophobicity on water surface (Ogawa, Kyushu). Liquid-liquid interface (Kawazumi, Kinki). Adsorption isotherm at interfaces (Teramae, Tohoku).(5) Practical applications. /// Ablation process (Ito, Nagaoka). Frequency dependence of dynamic heat capacity (Kojima, Tsukuba). Slab optical guide (sugitani, Kanagawa). Continuous monitoring of dioxine (Imasaka, Kyushu).