磷酸盐激光玻璃中杂质离子铁和铜对激光效率的影响

doi:10.15541/jim20140408

无机材料学报 ›› 2015, Vol. 30 ›› Issue (3): 240-244.DOI: 10.15541/jim20140408

磷酸盐激光玻璃中杂质离子铁和铜对激光效率的影响

徐永春, 陈丹平, 李顺光, 胡丽丽, 唐景平

(中国科学院上海光学精密机械研究所, 上海201800)

收稿日期:2014-08-11 修回日期:2014-09-30 出版日期:2015-03-20 网络出版日期:2015-03-06
作者简介:徐永春(1978–), 男, 助理研究员. E-mail: xuyongchun@163.com
基金资助:
国家自然科学基金(51272262) National Natural Science Foundation of China(51272262)

Effect of Iron and Copper Impurity Ions on Laser
Efficiency of Phosphate Laser Glass

XU Yong-Chun, CHEN Dan-Ping, LI Shun-Guang, HU Li-Li, TANG Jing-Ping

(Shanghai Institute of Optics & Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China)

Received:2014-08-11 Revised:2014-09-30 Published:2015-03-20 Online:2015-03-06
About author:XU Yong-Chun. E-mail: xuyongchun@163.com

摘要/Abstract

摘要：

实验研究了Fe和Cu离子对N31型激光玻璃在激光波段1053 nm激光斜率效率的影响。研究发现, 随着Fe离子含量的增加, 激光斜率效率呈e指数快速下降, 激光阈值呈二次方程形式快速增加, 并得出Fe离子含量与斜率效率和激光阈值之间的经验关系式。同时发现, 在相同掺杂浓度条件下, Cu离子比Fe离子更加严重地降低钕玻璃的激光性能。研究结果对如何提高激光玻璃的增益性能和定量控制原材料的杂质含量具有一定指导意义。

关键词: 掺钕磷酸盐激光玻璃, 光吸收损耗, 荧光寿命, 激光效率

Abstract:

The effect of impurity such as Fe and Cu ions on the optical loss and laser performance of N31-type Nd-doped phosphate laser glass was studied. It was found that the laser slope efficiency decreased in accordance with an e exponential function, and the laser threshold increased in quadratic with the increase of Fe concentration. Moreover, the empirical equations between concentration of Fe with laser slope efficiency and laser threshold were obtained. It also showed that laser efficiency was seriously influenced by Cu ion compared with that by Fe ion at the same concentration. The results are useful for improving the gain performance of laser glass and quantitatively control of the impurity in raw materials in the future.

Key words: Nd-doped phosphate laser glass, optical absorption, fluorescent lifetime, laser efficiency

中图分类号:

TQ171

徐永春, 陈丹平, 李顺光, 胡丽丽, 唐景平. 磷酸盐激光玻璃中杂质离子铁和铜对激光效率的影响[J]. 无机材料学报, 2015, 30(3): 240-244.

XU Yong-Chun, CHEN Dan-Ping, LI Shun-Guang, HU Li-Li, TANG Jing-Ping. Effect of Iron and Copper Impurity Ions on Laser
Efficiency of Phosphate Laser Glass[J]. Journal of Inorganic Materials, 2015, 30(3): 240-244.

图/表 7

图1 激光效率测试示意图

Fig. 1 Measurement of laser efficiency

表1 N31型激光玻璃中Fe离子含量、荧光寿命、光吸收损耗、激光效率和激光阈值结果

Table 1 Fe ion contents, fluorescent lifetime, optical absorption at 1053 nm, laser efficiency and threshold of N31 laser glasses

Sample	Fe ion contents /(μg?g^-1)	Fluorescent lifetime/μs	Optical absorption(α_Fe) /(%?cm^-1)	Laser efficiency/%	Laser threshold /J
N31-Fe1	67	328	0.21	0.29	16.2
N31-Fe2	73	328	0.25	0.27	16.8
N31-Fe3	94	326	0.43	0.24	18.0
N31-Fe4	264	316	1.58	0.13	43.2
N31-Fe5	520	300	3.40	0.05	83.2
N31-Fe6	747	292	5.33	0.02	148.0

表2 N31型激光玻璃中Cu离子含量、荧光寿命、光吸收损耗、激光效率和激光阈值结果

Table 2 Cu ion contents, fluorescent lifetime, optical absorption at 1053 nm, laser efficiency and threshold of N31 laser glasses

Sample	Cu ion contents /(μg?g^-1)	Fluorescent lifetime /μs	Optical absorption(α_Cu) /(%?cm^-1)	Laser efficiency/%	Laser threshold /J
N31-Cu1	15.5	305	4.6	0.026	105.1
N31-Cu2	20.5	300	5.8	0.016	134.5

图2 不同Fe离子含量的N31型玻璃输入和输出能量的关系

Fig. 2 Input and output energy as a function of Fe ion concentrations in N31 phosphate glasses

图3 Fe含量与N31型玻璃的斜率效率和光吸收损耗的关系

Fig. 3 Slope efficiency and optical absorption as a function of Fe concentrations in N31 phosphate glasses

图4 Fe含量与N31型玻璃的激光阈值和光吸收损耗的关系

Fig. 4 Laser threshold and optical absorption as a function of Fe concentrations in N31 phosphate glasses

图5 不同Cu含量的N31型玻璃输入和输出能量之间的关系

Fig. 5 Input and output energy as a function of Cu concentrations in N31 phosphate glasses

参考文献 14

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磷酸盐激光玻璃中杂质离子铁和铜对激光效率的影响

Effect of Iron and Copper Impurity Ions on Laser
Efficiency of Phosphate Laser Glass

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磷酸盐激光玻璃中杂质离子铁和铜对激光效率的影响

Effect of Iron and Copper Impurity Ions on LaserEfficiency of Phosphate Laser Glass

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Effect of Iron and Copper Impurity Ions on Laser
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