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	可调谐Yb光纤激光器LBO倍频特性理论研究
	戴明 ; 柳强 ; 闫平 ; 巩马理 ; DAI Ming ; LIU Qiang ; YAN Ping ; GONG Ma-li
	2010-06-08 ; 2010-06-08
关键词	激光技术 带宽 耦合波方程 二次谐波产生 光纤激光器 LBO laser technique bandwidth couple equation second harmonic generation(SHG) fiber laser LBO TN248
其他题名	Theoretical analysis of frequency doubling of wavelength-tunable Yb-doped fiber lasers with LBO crystal
中文摘要	针对大信号高斯光束聚焦情况,对平面波耦合波方程进行了改进;利用改进后的耦合波方程,分析了LBO晶体对掺Yb光纤激光整个发射光谱的腔外倍频特性。结果显示,利用温度调谐,LBO晶体可以在掺Yb光纤的整个发射光谱内达到非临界相位匹配;随着基频光波长的增加,倍频效率会有小幅度下降,可接收角有小幅度增长,可接收温度宽度和可接收线宽有较大幅度加宽。结果表明,采取非临界相位匹配,并选用较长的基频光波,易于得到理想的倍频效果。; The couple equations with plan wave have been improved to describe focused Gaussian beam under big signal.With the improved equations,the SHG character of LBO has been analyzed under the condition of broad emission spectra of Yb-doped fiber laser.Main results are summarized as follows:in the case of all the emission spectra of Yb-doped,none critical phase match(NCPM) can be reached by temperature tuning.With increasing of wave length of fundamental beam,the SHG efficiency decreases a little,the acceptable temperature and the acceptable wavelength increase greatly,the acceptable angle increases not so obviously.It shows that an ideal SHG result can bring about using none critical phase match and long fundamental wavelength.
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/48571]
专题	清华大学
推荐引用方式 GB/T 7714	戴明,柳强,闫平,等. 可调谐Yb光纤激光器LBO倍频特性理论研究[J],2010, 2010.
APA	戴明.,柳强.,闫平.,巩马理.,DAI Ming.,...&GONG Ma-li.(2010).可调谐Yb光纤激光器LBO倍频特性理论研究..
MLA	戴明,et al."可调谐Yb光纤激光器LBO倍频特性理论研究".(2010).

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