101 kW superfluorescent source in all-fiberized MOPA configuration
作者： Jiangming Xu , Liangjin Huang , Jinyong Leng , Hu Xiao , Shaofeng Guo
DOI: 10.1364/OE.23.005485
关键词: Laser beam quality 、 Wavelength 、 Laser linewidth 、 Optoelectronics 、 Amplifier 、 Fiber optic sensor 、 Materials science 、 Optics 、 Full width at half maximum 、 Amplified spontaneous emission 、 Fiber laser
摘要: We present a high power all-fiberized master oscillator amplifier (MOPA) structured superfluorescent source based on dual-cladding ytterbium-doped fiber. The seed is 0.814 W homemade amplified spontaneous emission (ASE) source. Two-stage fiber utilized to boost the 1.01 kW with beam quality of Mx2 = 1.688 and My2 1.728. central wavelength output light 1074.4 nm, full width at half maximum (FWHM) linewidth about 8.1 nm. No self pulsing or relaxation oscillation effect observed fluctuation less than 2% in 100 seconds continuous operating. In additional, spectral evolution effects central-wavelength-drifting linewidth-narrowing broadband amplification system are investigated. To best our knowledge, this first demonstration an exceeding kilowatt.
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