GENERALIZED SIEGMAN FORMULA AND COMMENTS ON THE INEQUALITY M 2≥1 FOR LIGHT-BEAM QUALITY
盛正卯, 杨焕雄
GENERALIZED SIEGMAN FORMULA AND COMMENTS ON THE INEQUALITY M 2≥1 FOR LIGHT-BEAM QUALITY
Sheng Zheng-mao (盛正卯), Yang Huan-xiong (杨焕雄)
中国物理B . 1999, (2): 81 -88 .  DOI: 10.1088/1004-423X/8/2/001