Yan Qu, Chaoyu Ning, Shuzhen Zou, Haijuan Yu, Xuechun Chen, Shuang Xu, Jiexi Zuo, Shifei Han, Xinyao Li, Xuechun Lin. Recent advances in nanosecond-pulsed Ytterbium-doped all-fiber lasers[J]. Infrared and Laser Engineering, 2022, 51(6): 20220055
- Infrared and Laser Engineering
- Vol. 51, Issue 6, 20220055 (2022)
![Structure diagram of 1120 nm Q-switched fiber laser[22]](/richHtml/irla/2022/51/6/20220055/img_1.jpg)
Fig. 1. Structure diagram of 1120 nm Q-switched fiber laser[22]
![Active Q-switched ring cavity fiber laser. (a) Schematic diagram of structure; (b) Change of pulse width and pulse energy at different repetition frequencies; (c) Spectra, illustrated in logarithmic coordinates[24]](/richHtml/irla/2022/51/6/20220055/img_2.jpg)
Fig. 2. Active Q-switched ring cavity fiber laser. (a) Schematic diagram of structure; (b) Change of pulse width and pulse energy at different repetition frequencies; (c) Spectra, illustrated in logarithmic coordinates[24]
![Nanosecond pulse obtained by EOIM modulated continuous wave[27]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Nanosecond pulse obtained by EOIM modulated continuous wave[27]
Fig. 4. Passive Q-switched laser with Ytterbium-doped fiber as saturable absorber[34]
Fig. 5. Fiber laser with SMS structure[36]
Fig. 6. Structure diagram of passive Q-switched fiber laser with double cavity compound structure[38]
Fig. 7. Schematic diagram of gain-switched nanosecond pulse fiber laser[40]
Fig. 8. Low repetition rate nanosecond pulse amplifier and its synchronous pulse pumping technology. (a) Schematic diagram of all-fiber MOPA structure; (b) Time series of pump pulses at different amplification stages
Fig. 9. Nearly kilowatt average power laser amplifier. (a) Schematic of structure; (b) Curve of average power vs. pump power; (c) Spectral pattern[54]
Fig. 10. All-fiber linearly polarized MOPA laser system. (a) Structural diagram; (b) 6 spots randomly collected during the maximum power output, indicating that TMI appears [27]
Fig. 11. All-fiber sub-nanosecond laser amplifier and its output characteristics. (a) Schematic of structure; (b) Changes of beam quality at 976 nm pumping wavelength; (c) Changes of beam quality at 915 nm pumping wavelength. The improvement of beam quality shows that TMI is suppressed[56]
Fig. 12. Output characteristics of fiber amplifier. (a) Amplifier construction with an average power of 300 W; (b) Curve of average power vs. pump power; (c) Display of laser cleaning[61]
Fig. 13. 1000 W all-fiber laser system [63]
|
Table 1. Research progress of all-fiber nanosecond laser oscillator
|
Table 2. Research progress of all-fiber nanosecond pulse laser amplifier
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20