2000•Acta Physica SinicaOpen access

ULTRAFAST SPECTROSCOPY AND APPLICATIONS BASED ON TI:SAPPHIRE FEMTOSECOND LASER

YANG HONG, Tieqiao Zhang, Shufeng Wang, Gong Qi-Huang, 北京大学物理系，人工微结构和介观物理国家重点实验室，北京 100871

Abstract

The development of Ti:sapphire femtosecond laser is reviewed. The basic principl es of its mode-locking, ultrashort pulse generation and its amplifiers are intro duced. The ultrafast time-resolved laser spectroscopy, including femtosecond flu orescence up-conversion and optical Kerr effect as well as its applications are presented.

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Key concepts: Femtosecond, Ultrashort pulse, Ti:sapphire laser, Materials science, Sapphire, Laser, Femtosecond pulse shaping, Optics