%0 Journal Article %T The propagation dynamics of ultraviolet light filament with Rayleigh scattering in air %A Zhang Hua %A
张华 %J 中国物理 B %D 2005 %I %X In this paper we present for the first time the effects of Rayleigh scattering on the long distance propagation of ultraviolet (UV) light filament in air based on the stationary analysis. The simulation results show that the effects of Rayleigh scattering on the propagation of UV laser filaments may not be ignored. These influences are slightly dependent on the laser wavelength. We also compare the UV filament propagations at different input powers in the presence and the absence of the Rayleigh scattering and discuss the mechanisms of power loss and beam defocusing. In the absence of Rayleigh scattering, the filament propagation is determined by the oscillating behaviour of the beam size. In the presence of the scattering,the propagation lengths of filament are close to each other at different initial powers and determined by the Rayleigh scattering. %K filament %K self-focusing %K Rayleigh scattering
紫外线灯 %K 灯丝 %K Rayleigh散射 %K 动态传播 %K 自调焦系统 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=540239DCE6E53722F59667ECC92552F5&yid=2DD7160C83D0ACED&vid=F3583C8E78166B9E&iid=F3090AE9B60B7ED1&sid=B6351343F4791CA3&eid=E6A891D2134F30C0&journal_id=1009-1963&journal_name=中国物理&referenced_num=1&reference_num=21