All-Fiber Gain-Switched Thulium-Doped Fiber Laser Pumped by 1.558 μm Laser

被引：11

作者：

Zhou Ren-Lai ^{[1
]}

Zhao Jie ^{[1
]}

Yuang Chi ^{[1
]}

Chen Zhao-Yu ^{[1
]}

Ju You-Lun ^{[1
]}

Wang Yue-Zhu ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150080, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 06期

基金：

中国国家自然科学基金;

关键词：

TM; OPERATION;

D O I：

10.1088/0256-307X/29/6/064201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present an all-fiber gain-switched thulium (Tm) doped fiber laser operating in the eye-safe region at 1940 nm. The fibre Bragg gratings (FBGs) inscribed by phase mask technology are used as cavity mirrors, and the transmission spectra of FBGs are also measured. The output characteristics are studied at pulse repetition frequencies of 10, 20 and 30 kHz, and the maximum output powers of 28.9, 67.0 and 71.0 mW are achieved under incident pump powers of 122, 247 and 250 mW. The narrowest pulse width of 29 ns and shortest pulse built-time of 140 ns are obtained at 10 kHz. The relation between pulse built-time and cavity length are discussed.

引用

页数：4

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