氧气氛中高温超导Y_1B_（a2）C_（u3）O_X靶的激光等离子体光谱强度研究  

Study of Spectroscopic Intensity of the Laser-Induced Plasma of Y-Ba-Cu-O under Oxygen Ambition

作　　者：林波[1] 赵仪[1] 孙爱民[1] 张树东[1] 袁相津 

机构地区：[1]西北师范大学物理系

出　　处：《光电子．激光》1995年第5期267-269,共3页Journal of Optoelectronics·Laser

摘　　要：氧气氛中高温超导Ｙ_１Ｂ_（ａ２）Ｃ_（ｕ３）Ｏ_Ｘ靶的激光等离子体光谱强度研究林波，赵仪，孙爱民，张树东，袁相津（西北师范大学物理系）ＳｔｕｄｙｏｆＳｐｅｃｔｒｏｓｃｏｐｉｃＩｎｔｅｎｓｉｔｙｏｆｔｈｅＬａｓｅｒ－ＩｎｄｕｃｅｄＰｌａｓｍａｏｆＹ－Ｂａ...The laser-induced plasma plume created above an Y-Ba-Cu-O superconducting target by a Nd: YAG laser beam (355nm) was investigated by an optical multiply analyser under an oxygen atmosphere. From the emission spectra of atoms,ions and molecules, it was found their intensities had maximum as the oxygen partial presure was 70￣110mTorr. Also, the same result was gotten from using an Faraday tube receiving the ions' signs.

关 键 词：激光 超导靶 等离子体 光谱 

分 类 号：TN241[电子电信—物理电子学]