4 μJ, 3 ns phase-modulated laser pulse from ytterbium-doped polarization-maintaining large-mode-area fiber amplifier

Huang, Zhihua; Deng, Ying; Xu, Ding; Wang, Jun; Lin, Hungyen; Zhang, R.; Tian, Xiaocheng

doi:10.1134/s1054660x12070043

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2013

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“…However, the connectors of the fiber patches weaken this advantage and compensation is still required. In SG-III [9], the phase modulator is placed in the final stage of the fiber front-end system and single mode fiber (SMF) is applied [10,11] in the modules before the phase modulator. Therefore, only a short segment of PMF is required for the propagation of the spectral broadened pulse.…”

Section: Introductionmentioning

confidence: 99%

A fiber-based polarization–rotation filter utilized to suppress the FM-to-AM effect in a large-scale laser facility

Huang

Wang

et al. 2013

J. Opt.

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The frequency modulation to amplitude modulation (FM-to-AM) effect is one of the few remaining scientific issues in a large-scale laser facility which could prevent fusion ignition. A fiber-based polarization–rotation filter which consists of a fiber polarizer, a section of polarization-maintaining fiber, a half-wave plate and a polarization beam splitter is proposed to suppress the FM-to-AM effect. Theoretical analysis and experimental demonstration in the preamplifier module of the SG-III laser facility prove the effectiveness of this filter.

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Section: Introductionmentioning

confidence: 99%