Study on the energy attenuation of foam to laser

In order to study effect of foam on laser transmission quantitatively,based on the absorption,reflection and scattering characteristics of electromagnetic wave,attenuation blanking mechanism of foam was analyzed.According to different foam condition,foam was divided into discrete foam and adhesive foam,and their transmission and energy attenuation were calculated quantitatively with Lamber-Beer law and theories of geometrical optics and electromagnetic wave propagation.The numerical simulation results based on MATLAB tool show that foam has obvious effect on laser attenuation,with increasing of foam thickness the transmission of laser is diminishing,and it is similar to experimental.The rationality of the model is proved further.