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High-power, rare-earth-doped crystal amplifier based on ultra-low-quantum-defect pumping scheme Utilizing single or low-mode fiber lasers
High-power, rare-earth-doped crystal amplifier based on ultra-low-quantum-defect pumping scheme Utilizing single or low-mode fiber lasers
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机译:基于单模或低模光纤激光器超低量子缺陷泵浦方案的高功率掺稀土晶体放大器
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摘要
A high average and peak power single transverse mode laser system is operative to output ultrashort single mode (SM) pulses in femtosecond-, picosecond- or nanosecond-pulse duration range at a kW to MW peak power level. The disclosed system deploys master oscillator power amplifier configuration (MOPA) including a SM fiber seed, outputting a pulsed signal beam at or near 1030 nm wavelength, and a Yb crystal booster. The booster is end-pumped by a pump beam output from a SM or low-mode CW fiber laser at a pump wavelength in a 1000-1020 nm wavelength range so that the signal and pump wavelengths are selected to have an ultra-low-quantum defect of less than 3%.
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