Effect of Nd³⁺ concentration on the laser performance of a new laser crystal: Nd:NaY(WO₄)₂

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• 作者：Fu ; Kun ; Wang ; Zheng-Ping ; Cheng ; Zhen-Xiang ; Liu ; Jun-Hai ; Song ; Ren-Bo ; Chen ; Huan-Chu ; Shao ; Zong-Shu
• 关键词：Nd ; NaY(WO₄)₂crystal ; Absorption and emission property ; Nd³⁺ concentration
• 刊名：Optics and Laser Technology
• 出版年：2001
• 出版时间：November, 2001
• 年：2001
• 卷：33
• 期：8
• 页码：593-595
• 全文大小：76.3 K

文摘

We have measured the transmission and emission spectra of a new crystal, Nd:NaY(WO₄)₂ (Nd:NYW). Using a Ti:sapphire laser as the pump source, the laser performances of Nd:NYW crystals with different concentrations are compared for the first time. The Nd³⁺ concentrations used are 1, 2, 4 and 5at % . Our investigation shows that 2at % is the optimum concentration. When the incident pump power is 575mW, the 1.06μm output can reach 184mW, corresponding to an optical-to-optical efficiency of 32 % . We believe that our work is significant for the further research and actual application of this promising laser crystal.