272 W quasi-single-mode picosecond pulse laser of ytterbium-doped large-mode-area photonic crystal fiber

Meng Wang; Fan Wang; Suya Feng; Chunlei Yu; Shikai Wang; Qinling Zhou; Lei Zhang; Fengguang Lou; Danping Chen; Lili Hu

doi:10.3788/COL201917.071401

Journals >Chinese Optics Letters >Volume 17 >Issue 7 >Page 071401 > Article

Chinese Optics Letters
Vol. 17, Issue 7, 071401 (2019)

272 W quasi-single-mode picosecond pulse laser of ytterbium-doped large-mode-area photonic crystal fiber

Meng Wang^1、2, Fan Wang^1、2, Suya Feng^1、*, Chunlei Yu^1、**, Shikai Wang¹, Qinling Zhou¹, Lei Zhang¹, Fengguang Lou¹, Danping Chen¹, and Lili Hu^1、***

Author Affiliations

¹Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.3788/COL201917.071401 Cite this Article Set citation alerts

Meng Wang, Fan Wang, Suya Feng, Chunlei Yu, Shikai Wang, Qinling Zhou, Lei Zhang, Fengguang Lou, Danping Chen, Lili Hu. 272 W quasi-single-mode picosecond pulse laser of ytterbium-doped large-mode-area photonic crystal fiber[J]. Chinese Optics Letters, 2019, 17(7): 071401 Copy Citation Text

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$Relative refractive indices of the initial and homogenized final rods.$

Fig. 1. Relative refractive indices of the initial and homogenized final rods.

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(a) Microscope image of the fabricated PCF. (b) EPMA mapping analysis of the F−, Al3+, P5+, and Yb3+ distribution in the core of the PCF.

Fig. 2. (a) Microscope image of the fabricated PCF. (b) EPMA mapping analysis of the

F^{-}

{Al}^{3 +}

P^{5 +}

, and

{Yb}^{3 +}

distribution in the core of the PCF.

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Fig. 3. Experimental setup of a MOPA system.

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Fig. 4. (a) Amplified output power versus launched pump power at different bend diameters. (b) Average output power versus launched pump power at 47 cm bend diameter. Inset: laser beam profiles at 120 and 272 W output power.

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Fig. 5. (a) Output power as a function of time. (b) Output laser spectrum with launched pump power of 520 W. Inset: pulse profile of the seed.

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