Evaluation of GdCOB:Nd3+ for self-frequency doubling in the optimum phase matching direction

被引：10
作者：
Brenier, A
Majchrowski, A
Michalski, E
Lukasiewicz, T
机构：
[1] Univ Lyon 1, CNRS, Lab Physicochim Mat Luminescents, UMR 5620, F-69622 Villeurbanne, France
[2] WAT, Inst Appl Phys, PL-00908 Warsaw, Poland
[3] Inst Elect Mat Technol, PL-01919 Warsaw, Poland
来源：
OPTICS COMMUNICATIONS | 2003年 / 217卷 / 1-6期
关键词：
D O I：
10.1016/S0030-4018(03)01073-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have exhibited the spectroscopic properties of GdCOB:Nd3+ in the optimum phase matching direction for frequency doubling, i.e., theta = 66.3degrees and phi = 134.4degrees, in the two n(+) and n(-) directions of polarization. This direction is suitable for self-frequency doubling of the 1060 nm laser emission in type I configuration. The laser emission cross-section is found reasonably high: 6 x 10(-20) cm(2). The effective nonlinear optical coefficient for SHG at 1088 nm was found 1.89 times the NGAB one, i.e., about 2.6 pm/V. From a direct comparison of self-frequency doubling under the same experimental conditions, we have demonstrated that GdCOB:Nd allowed to reach 78% of the efficiency of a NGAB sample. This is quite a good result, keeping in mind that NGAB seems to be the most efficient self-doubling crystal at the present time. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：395 / 400
页数：6
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