Characteristics of spatial modulation in nonlinear propagation of broad-band lasers stacked by chirped pulses

wang youwen; tang yiqun; chen liezun; you kaiming; lu shizhuan; zhang dengyu

Volume 23 Issue 05

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(05): 0-

liu zhen-xiang, zhang jian-de, liu jin-liang, et al. Breakdown between adjacent turns and output waveform of helix pulse forming line[J]. High Power Laser and Particle Beams, 2007, 19.

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wang youwen, tang yiqun, chen liezun, et al. Characteristics of spatial modulation in nonlinear propagation of broad-band lasers stacked by chirped pulses[J]. High Power Laser and Particle Beams, 2011, 23.

liu zhen-xiang, zhang jian-de, liu jin-liang, et al. Breakdown between adjacent turns and output waveform of helix pulse forming line[J]. High Power Laser and Particle Beams, 2007, 19.

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Characteristics of spatial modulation in nonlinear propagation of broad-band lasers stacked by chirped pulses

1.
Department of Physics and Electronic Information Science,Hengyang Normal University,Hengyang 421008,China

Publish Date: 2011-05-11

Abstract

Abstract

To identify the potential risks of spatial modulation of broad-band laser beams stacked by chirped pulses on the safety of optics, this paper numerically investigated the effect of temporal modulation on the generation and growth of spatial modulation during its nonlinear propagation. When there is no additional spatial modulation and the B integral is limited in the practical working range (usually less than 2.0 rad), no spatial modulation will be generated for both normal dispersion and anomalous dispersion; while with the B integral further increasing, spatial modulation will emerge with a rapid growth. When there is additional spatial modulation for anomalous dispersion, the spatial modulation with additional temporal modulation will grow more quickly than that without additional tempo
- nonlinear propagation,
- chirped pulses,
- broad-band lasers,
- temporal-spatial modulation

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