[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. LBO Type-Ⅰ Noncritical Phase-Matched Intracavity Frequence-Doubled 671 nm Laser[J]. Acta Optica Sinica, 1999, 19(10): 1323