期刊
OPTICS EXPRESS
卷 17, 期 21, 页码 18774-18781出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.17.018774
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资金
- German Federal Ministry of Education and Research (BMBF) [03ZIK455]
- Deutsche Forschungsgemeinschaft
In this contribution it is reported that circularly polarized light is advantageous if the Kerr-effect has to be minimized during laser-amplification. The experimental demonstration is based on a fiber CPA-system. The different polarization states result in different B-integrals, which are measured using phase-only pulse-shaping. The theoretical value of 2/3 for the ratio of the B-integrals of circularly and linearly polarized light is experimentally verified. In laser-amplifiers circularly polarized light reduces the detrimental impact of the Kerr-nonlinearity, and thus, increases the peak-power and the self-focussing threshold. (C) 2009 Optical Society of America
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