Random lasing in dye doped with silica nano-powder

Li Wenchao; Sun Yuchao; Li Xin; Li Zhiquan

doi:10.3788/HPLPB20132507.1798

Volume 25 Issue 07

May 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(07): 1798-1802

Wu Wuming, Wu Huiyun, Wu Yi, et al. Analysis of atmosphere turbulence optical parameter[J]. High Power Laser and Particle Beams, 2012, 24: 2022-2026. doi: 10.3788/HPLPB20122409.2022

Citation:

Li Wenchao, Sun Yuchao, Li Xin, et al. Random lasing in dye doped with silica nano-powder[J]. High Power Laser and Particle Beams, 2013, 25: 1798-1802. doi: 10.3788/HPLPB20132507.1798

Wu Wuming, Wu Huiyun, Wu Yi, et al. Analysis of atmosphere turbulence optical parameter[J]. High Power Laser and Particle Beams, 2012, 24: 2022-2026. doi: 10.3788/HPLPB20122409.2022

Citation:

Li Wenchao, Sun Yuchao, Li Xin, et al. Random lasing in dye doped with silica nano-powder[J]. High Power Laser and Particle Beams, 2013, 25: 1798-1802. doi: 10.3788/HPLPB20132507.1798

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Random lasing in dye doped with silica nano-powder

doi: 10.3788/HPLPB20132507.1798

1.
Institute of Control Engineering,Northeastern University,Qinhuangdao 066004,China;
2.
Institute of Electrical Engineering,Yanshan University,Qinhuangdao 066004,China;
3.
Control and Simulating Center,School of Astronautics,Harbin Institute of Technology,Harbin 150080,China

Received Date: 2012-07-13
Rev Recd Date: 2013-02-28
Publish Date: 2013-05-02

Abstract

Abstract

For the property and application of dye random laser, the relations among the random laser emission threshold, luminescent properties, number density change and particle size of fluorescence particles and additional scattering particles in disorder media were discussed. Using the finite difference time domain (FDTD) method to solve Maxwells equations and rate equations directly, the curves of number density and emission line changing with laser emission threshold were simulated. When the mass fraction of Rh6G-SiO2 was 4% and the threshold was 8.5 J/pulse, the influence of additional TiO2 particles on random lasing was small enough to be neglected. Furthermore, we also simulated the threshold characteristics of random lasing in variety of conditions and background media.
- random laser,
- finite-difference time domain,
- multiple-scattering,
- laser-dyes

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