Amplified spontaneous emission and power amplification in high-power DF laser systems |
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| Authors: | Xing Chen Wenguang Liu Zongfu Jiang College of Photon-Electron Science Engineering National University of Defense Technology Changsha China |
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| Affiliation: | Xing Chen,Wenguang Liu,and Zongfu Jiang College of Photon-Electron Science and Engineering,National University of Defense Technology,Changsha 410073,China |
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| Abstract: | Amplified spontaneous emission(ASE) always occurs in high-power DF laser systems with master oscillator-power amplifier(MOPA) configuration.ASE not only reduces the energy extraction efficiency of the laser system,but also negatively influences its heat management.The interaction between the ASE flux and the coherent laser flux,as well as the effect of ASE on cuboid DF amplifiers,is studied using a finite difference method and an iterative arithmetic.In addition,the influence of ASE on coherent laser amplif... |
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