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- W4385933145 abstract "We demonstrated a 3.8 kW-level all-fiberized high-brightness laser with the structure of MOPA (master oscillator power amplification). The maximum output power is ~3894 W with the SRS (stimulated Raman scattering) intensity 10 dB below and ~3812 W with the SRS intensity 20 dB below. The spectrum has a central wavelength of 1080 nm with an FWHM (full width at half-maximum) bandwidth of ~2.2 nm. The slope efficiency of the fiber amplifier with respect to the pump power is ~81%. With a 25-μm-core ytterbium-doped gain fiber of the amplifier and 30-μm-core output fiber, the laser can keep a high beam quality (M<sup>2</sup> ) which is estimated to be about 2.6 below." @default.
- W4385933145 created "2023-08-18" @default.
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- W4385933145 date "2023-08-17" @default.
- W4385933145 modified "2023-10-14" @default.
- W4385933145 title "3.8 kW high brightness MOPA fiber laser" @default.
- W4385933145 cites W2624703064 @default.
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- W4385933145 doi "https://doi.org/10.1117/12.2690157" @default.
- W4385933145 hasPublicationYear "2023" @default.
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