Investigation of stimulated Brillouin scattering for broadband KrF laser

doi:10.1088/1009-1963/13/10/028

Abstract

Abstract Stimulated Brillouin scattering (SBS) numerical mode for broadband multimode KrF laser pump with optical breakdown has been built up in this paper. The basic premises of the model are that KrF spectrum is composed of a number of lines and SBS arises from these lines with coupling to some extent. The broadband SBS threshold strongly depends on pump bandwidth. SBS and optical breakdown occur nearly simultaneously when broadband SBS and breakdown have the same threshold. The decrease of saturation reflectivity for broadband pump radiation is explained with this model. Experimental results agree well with the model.

Keywords: KrF laser stimulated Brillouin scattering reflectivity pulse compression

Received: 22 December 2003
Revised: 25 May 2004
Accepted manuscript online:

PACS:	42.65.Es	(Stimulated Brillouin and Rayleigh scattering)
	42.65.Re	(Ultrafast processes; optical pulse generation and pulse compression)
	42.25.Gy	(Edge and boundary effects; reflection and refraction)
	42.55.Ah	(General laser theory)
	42.79.Bh	(Lenses, prisms and mirrors)

Fund: Project supported by the National High Technology Development Programme of China (Grand No 863-804-6).

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Wang Xiao-Hui (王晓慧), Lü Zhi-Wei (吕志伟), Lin Dian-Yang (林殿阳), Wang Chao (王超), Zhao Xiao-Yan (赵晓彦), Tang Xiu-Zhang (汤秀章), Zhang Hai-Feng (张海峰), Shan Yu-Sheng (单玉生) Investigation of stimulated Brillouin scattering for broadband KrF laser 2004 Chinese Physics 13 1733

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