In fourth chapter, the quantum efficiency of the electron multiplier was displayed, and the design of monochromator calibration setup was provided . in fact, the setup had been built up 第四章給出探測(cè)器效率的標(biāo)定結(jié)果,提出單色儀的標(biāo)定方案,建立起單色儀標(biāo)定實(shí)驗(yàn)裝置。