Effect of Nd concentration on the laser performance of a new laser crystal: Nd : NaY(WO4)2 |
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| Authors: | Kun Fu Zheng-Ping Wang Zhen-Xiang Cheng Jun-Hai Liu Ren-Bo Song Huan-Chu Chen Zong-Shu Shao |
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| Affiliation: | State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, People's Republic of China |
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| Abstract: | 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 5 at%. Our investigation shows that 2 at% is the optimum concentration. When the incident pump power is 575 mW, the 1.06 μm output can reach 184 mW, 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. |
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| Keywords: | Nd:NaY(WO4)2 crystal Absorption and emission property Nd3+ concentration |
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