In this paper the lumped method based on heat transfer is established for the absorptance of laser,and the measuring apparatus is also built up.

• 从量热的角度出发,利用传热学中的集总参数法建立了测量吸收率的方法,设计了相应的试验装置,并测量了几种常用工程材料对激光的吸收率。