Weak absorptions space distribution of materials face are measured by photothermal optical-beam deflection technique. It provided a new method for measurement and research of weak absorptions.
采用光热光偏转技术，实现了材料表面弱光吸收空间分布的测量，为材料表面弱光吸收和热特性的测量与研究提供了一种新手段。
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