High Power Laser Science and Engineering, Volume. 6, Issue 3, 03000e42(2018)
Monolithic high-average-power linearly polarized nanosecond pulsed fiber laser with near-diffraction-limited beam quality
Figures & Tables(12)
Fig. 2. (a) The pulse sequence of the ns pulsed seed and (b) the pulse profile of the ns pulsed seed.
Fig. 5. The dependence of the average output power and backward power on the pump power in the main amplifier.
Fig. 6. The output spectra of the 3rd pre-amplifier and the main amplifier at the maximal output power.
Fig. 7. (a) The pulse sequence of the main amplifier at the maximal output power and (b) the corresponding Fourier transform spectrum.
Fig. 8. The pulse profiles of the seed, the 3rd pre-amplifier and the main amplifier at the maximal output power.
Fig. 9. The scanning spectra of (a) the 3rd pre-amplifier and (b) the main amplifier at the maximal output power.
Fig. 10. The polarization degree (PD) during the power scaling process of the main amplifier.
Fig. 11. The beam quality at the output power of (a) 442 W and (b) the maximal power.
Fig. 12. The six random samples of beam profile at the maximal output power captured by a beam profile analyzer with a sampling frequency of 30 Hz.
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Long Huang, Pengfei Ma, Daren Meng, Lei Li, Rumao Tao, Rongtao Su, Yanxing Ma, Pu Zhou. Monolithic high-average-power linearly polarized nanosecond pulsed fiber laser with near-diffraction-limited beam quality[J]. High Power Laser Science and Engineering, 2018, 6(3): 03000e42
Paper Information
Special Issue: FIBRES FOR HIGH POWER LASERS
Received: Feb. 7, 2018
Accepted: May. 15, 2018
Published Online: Aug. 28, 2018
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