Jianing CHEN, Han YU, Lu SI, Junyu CHEN, Tao JIAN, Shuai YUAN. Femtosecond fiber laser oscillator by nonlinear polarization rotation mode locking technique[J]. Optical Instruments, 2023, 45(1): 1
- Optical Instruments
- Vol. 45, Issue 1, 1 (2023)
Fig. 1. Ytterbium-doped femtosecond fiber laser
Fig. 2. Output characteristic of the laser
Fig. 3. Frequency over time
Fig. 4. The bound state spectrum and its modulation intensity change at high power
Fig. 5. Third-harmonic mode-locked pulse sequence
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