脉冲电晕氢等离子体370～1100nm发射光谱分析

Study on hydrogen emission spectrum ranging from 370 nm to 1100 nm through pulsed corona induced plasma

用CCD(Charge Coupled Device)光谱仪记录并标识了脉冲电晕氢等离子体370～1100nm的发射光谱.通过与非相对论修正的氢原子能级理论计算值和标准数据库比较,巴耳末系测得5条,帕邢系测得14条.其中包括帕邢系的821.334nm(ni=99),821.838nm(ni=77),823.651nm(ni=49),826.709nm(ni=35)和834.655nm(ni=23)等.通过发射光谱线相对光强比较,656.318nm处激发最强,其次为486.050nm和844.524nm,激发最弱的为397.133nm.

From experiments of pulsed corona induced hydrogen plasma,twenty four spectral lines of the emission spectrum of atomic hydrogen were observed with CCD spectrograph.Based on the Bohr＇s theory of the hydrogen atom and compared with standard databases,four are Balmer series,fourteen are Paschen series among which 821.334 nm（n=99,parameter n is hydrogen energy state）,821.838 nm（n=77）,823.651 nm（n=49）,826.709 nm（n=35）,834.655 nm（n=23） are included.Excitation energy of these observed lines were calculated by theory of atomic hydrogen energy levels.Compared with the relative intensity of characteristic spectrum form 370 nm to 1000 nm,the strongest excited emission lies in 656.318 nm,the 486.050 nm and 844.524 nm come next,and the weakest emission lies in 397.133 nm.