Refractive Index Measurement and Second Harmonic Generation in a Series of LiNbO<suB>3</suB>:Mg (5mol%) Crystals

Chin. Phys. Lett.

1992, Vol. 9

Issue (8): 427-430 DOI:

Original Articles

Refractive Index Measurement and Second Harmonic Generation in a Series of LiNbO₃:Mg (5mol%) Crystals

CHANG Yongmao;WEN Jinke;WANG Huafu;LI Bing

Department of Physics, Nankai University, Tianjin 300071

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CHANG Yongmao, WEN Jinke, WANG Huafu et al 1992 Chin. Phys. Lett. 9 427-430

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Abstract The accurate refractive indices in visible range and their Sellmeier equations have been obtained for a series of LiNbO₃ :Mg (5mol%) crystals with Ti or Nd doping. The phase matching angle for 1.064μm calculated by Sellmeier equation gives good agreement with experimental value. The TiO₂ and Nd₂O₃
doping cause the decrease of the birefringence and the increase of the phase matching angle. The conversion efficiency is enhanced by TiO₂ doping. The second harmonic generator with conversion efficiency of more than 44% has been achieved at room temperature with phase matching angle close to 90 °.

Keywords: 78.20.Jv 42.65.Ky

Published: 01 August 1992

PACS:	78.20.Jv
	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I8/0427

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