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应用于2.1μm激光的Tm3+/Ho3+共掺氟碲酸盐微结构光纤研究
Tm3+/Ho3+ Co-doped Fluorotellurite Microstructure Fiber for 2.1 μm Lasing
- 发光学报 2016年37卷第1期 页码：74-80
- 作者机构：
吉林大学电子科学与工程学院 集成光电子国家重点实验室, 吉林 长春 130012
- 作者简介：
- 基金信息：国家自然科学基金(51072065,61178073,60908031,60908001,61077033,61378004)资助项目()
DOI：10.3788/fgxb20163701.0074
中图分类号： TN248纸质出版日期：2016-1-10，
收稿日期：2015-8-10，
修回日期：2015-11-2，
扫 描 看 全 文
李成植, 姚传飞, 王顺宾等. 应用于2.1μm激光的Tm<sup>3+</sup>/Ho<sup>3+</sup>共掺氟碲酸盐微结构光纤研究[J]. 发光学报, 2016,37(1): 74-80
LI Cheng-zhi, YAO Chuan-fei, WANG Shun-bin etc. Tm<sup>3+</sup>/Ho<sup>3+</sup> Co-doped Fluorotellurite Microstructure Fiber for 2.1 μm Lasing[J]. Chinese Journal of Luminescence, 2016,37(1): 74-80
李成植, 姚传飞, 王顺宾等. 应用于2.1μm激光的Tm<sup>3+</sup>/Ho<sup>3+</sup>共掺氟碲酸盐微结构光纤研究[J]. 发光学报, 2016,37(1): 74-80 DOI： 10.3788/fgxb20163701.0074.
LI Cheng-zhi, YAO Chuan-fei, WANG Shun-bin etc. Tm<sup>3+</sup>/Ho<sup>3+</sup> Co-doped Fluorotellurite Microstructure Fiber for 2.1 μm Lasing[J]. Chinese Journal of Luminescence, 2016,37(1): 74-80 DOI： 10.3788/fgxb20163701.0074.
摘要
采用棒管法制备了低羟基含量的Tm
3+
/Ho
3+
共掺氟碲酸盐微结构光纤。当使用波长为1 560 nm的激光器泵浦 Tm
3+
/Ho
3+
共掺光纤时
处于Tm
3+
基态
3
H
6
的电子被激发至
3
F
4
能级
进一步通过Tm
3+
和Ho
3+
间的能量传递过程
3
F
4
3
H
6
(Tm
3+
):
5
I
8
5
I
7
(Ho
3+
)(能量失配为745 cm
-1
)布居Ho
3+
的
5
I
7
能级
5
I
7
能级上的电子向
5
I
8
能级跃迁发射出2.1 m的光。使用1 560 nm光纤激光器作为泵浦源
18 cm 长的Tm
3+
/Ho
3+
氟碲酸盐微结构光纤作为增益介质
获得了波长为2 063 nm的激光输出。所得激光的斜率效率为12.9%
激光阈值为163 mW
未饱和的最大输出功率为40 mW。研究结果表明
Tm
3+
/Ho
3+
共掺氟碲酸盐微结构光纤可用于制作2.1 m光纤激光器。
Abstract
Tm
3+
/Ho
3+
co-doped fluorotellurite microstructure fibers with low concentration of -OH were fabricated by using a rod-in-tube method. Pumped by 1 560 nm fiber laser
electron at Tm
3+
:
3
H
6
jump to Tm
3+
:
3
F
4
and then energy transfer from Tm
3+
to Ho
3+
can occure for the reason of small energy gap (745 cm
-1
) between Tm
3+
:
3
F
4
and Ho:
5
I
7
fluorescence at ~2.1 m can be obtained with the transition from level of Ho
3+
:
5
I
7
to Ho
3+
:
5
I
8
. By using a 1 560 nm Er
3+
doped fiber laser as the pump source
an all-fiber lasing at 2 063 nm is obtained from a 18 cm Tm
3+
/Ho
3+
co-doped fluorotellurite microstructure fiber. The corresponding slope efficiency is about 12.9%
the threshold is 163 mW
and the maximum unsaturated laser output power is 40 mW. The results indicate that the Tm
3+
/Ho
3+
doped fluorotellurite microstructure fiber is a promising gain medium for 2.1 m fiber laser.
关键词
氟碲酸盐2.1&mum 激光Tm3+/Ho3+微结构光纤
Keywords
fluorotellurite glasses2.1&mum lasingTm3+/Ho3+ co-dopedmicrostructure fiber
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