In this system , we employed a newly developed multi - channel photodetector - ccd ( charge coupled devices ) , as well as a concave holographic diffractive grating , to form multi - channel splitting system of spectrum - polychromator . these all solidified the foundation of the fast measurement subsequently 在本系統(tǒng)研究中,采用新型的多通道光電探測器件? ?電荷耦合器件( ccd ) ,并引入平場凹面光柵構(gòu)成了多通道光譜分光系統(tǒng)? ?多色儀,從而為多通道快速光譜測量準備了物質(zhì)條件。