Influence of medium parameters on the characteristic of power limiting based on stimulated Brillouin scattering

Huaping Gong; Zhiwei Lu; Dianyang Lin

doi:10.1117/12.765698

4 January 2008 Influence of medium parameters on the characteristic of power limiting based on stimulated Brillouin scattering

Huaping Gong, Zhiwei Lu, Dianyang Lin

Author Affiliations +

Proceedings Volume 6839, Nonlinear Optics: Technologies and Applications; 68392G (2008) https://doi.org/10.1117/12.765698
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Adopting noise initiation mode of stimulated Brillion scattering (SBS), the influence of phonon lifetime and gain coefficient of medium on power limiting characteristic is numerically investigated. By using actual parameters of three media, CCl₄, Acetone, and CS₂, the waveforms of transmitted pulses are simulated. It shows that, different media have little effect on the front peak of waveform, while have an obvious effect on the height of power limiting platform. When using the medium which has short phonon lifetime and small gain coefficient, the height of power limiting platform is comparatively high. When using the medium which has long phonon lifetime and large gain coefficient, the height of power limiting platform is comparatively low. In experiment, focusing 1064nm, 8ns, 18mJ pulses into these three media respectively, the waveforms of transmitted pulses are obtained. And it is shown that, the experimental results are in good agreement with the conclusions of theoretical simulations.

Citation Download Citation

Huaping Gong, Zhiwei Lu, and Dianyang Lin "Influence of medium parameters on the characteristic of power limiting based on stimulated Brillouin scattering", Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68392G (4 January 2008); https://doi.org/10.1117/12.765698

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