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The power scaling of linearly polarized random fiber lasers (RFLs) is investigated in detail based on master oscillator power amplifier configuration. A 442-W linearly polarized output with a narrow 3-dB linewidth of 0.28 nm and a 621-W linearly polarized output with a relatively wider 3-dB linewidth of 2.7 nm are realized. Besides, near-diffraction-limited beam quality and high polarization extinction...
We propose and experimentally investigate a linearly-polarized narrow linewidth random fiber laser (RFL) operating at 1080 nm and boost the output power to kilowatt-level with near-diffraction-limited beam quality by a master-oscillation-power-amplifier (MOPA) configuration. The RFL based on half-opened cavity generates 0.71 W seed laser with 88 pm full width at half-maximum (FWHM) linewidth and 22...
We present a high power linearly-polarized high-order random fiber laser (RFL) centered at 1178 nm pumped by incoherent broadband amplified spontaneous emission (ASE) source, which delivers a record power (100.7 W) up to now. Furthermore, this powerful linearly-polarized high-order RFL also obtains the highest quantum efficiency (86.43 %) for the 2nd order Stokes light. Thanks to the intrinsic temporal...
We demonstrate a high-power linearly polarized random fiber laser (RFL) based on master oscillator power amplifier (MOPA) configuration. The maximum output power of 621 W is obtained with conversion efficiency of 73.6 %. Near-diffraction-limited beam quality and high polarization degree of 93.9 % are obtained at the maximum output power. To the best of our knowledge, this is the highest output power...
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