Generation of Watt-Level 2.06-μm Polarized Light From Diode Wing-Pumped Ho:YLF Laser

被引：6

作者：

Ji, Encai ^{[1
]}

Liu, Qiang ^{[1
]}

Shen, Yijie ^{[1
]}

Nie, Mingming ^{[1
]}

Fu, Xing ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 19期

关键词：

Directly diode pumping; Ho: YLiF4; solid-state laser; MU-M; HIGH-POWER;

D O I：

10.1109/LPT.2017.2743745

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We first demonstrate the laser performance of a compact 2.06-mu m Ho: YLF laser wing pumped by a fiber-coupled laser diode, which is insensitive to the polarization state of pump source. A maximum output power of 1.44 W, corresponding to a slope efficiency of 41.25%, is obtained. The optimized beam quality factor reaches 2.52 when the output power is about 1 W. Multi-peak laser spectra are observed in the range of 2064.5-2066.6 nm. The output power fluctuation is greatly reduced to about 0.57% of the average power in 50 min. The degree of polarization reaches the level of 96%. The performance in power stability and overall compact structure indicates that diode wing-pumped Ho: YLF laser has great value in gas sensing and precise medical treatment that require a relative high stable output laser.

引用

页码：1695 / 1698

页数：4

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