超短脉冲
光学
材料科学
光纤激光器
激光器
超快激光光谱学
激光束质量
占空比
飞秒脉冲整形
激光功率缩放
光电子学
功率(物理)
物理
激光束
量子力学
作者
Yingtao Zhang,Zihao Li,Tianxi Wang,Huixin Xiu,Chiyi Wei,Luyi Wang,Molei Hao,Xiaoming Wei,Zhongmin Yang
出处
期刊:Chinese Optics Letters
[Shanghai Institute of Optics and Fine Mechanics]
日期:2023-01-01
卷期号:21 (9): 091401-091401
标识
DOI:10.3788/col202321.091401
摘要
In this work, we demonstrate the spectral manipulation in an ultrafast fiber laser system that generates ultrashort pulses with a repetition rate of 1.2 GHz and two switchable modes—a 1064-nm fundamental laser mode with a maximum output power of 66.6 W, and a 1125-nm Raman laser mode with a maximum output power of 17.23 W. The pulse width, beam quality, and power stability are carefully characterized. We also investigate a method to switch between the two modes by manipulating the duty cycle of the modulation signal. It is anticipated that this bi-mode ultrafast fiber laser system can be a promising ultrafast laser source for frontier applications, such as micromachining, bioimaging, and spectroscopy.
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