Electron beam deposited silver (Ag) saturable absorber as passive Q-switcher in 1.5-and 2-micron fiber lasers

被引：14

作者：

Ahmad, M. T. ^{[1
]}

Muhammad, A. R. ^{[1
]}

Zakaria, R. ^{[2
]}

Ahmad, H. ^{[2
]}

Harun, S. W. ^{[1
,3
]}

机构：

[1] Univ Malaya, Dept Elect Engn, Fac Engn, Kuala Lumpur, Malaysia

[2] Univ Malaya, Photon Res Ctr, Kuala Lumpur, Malaysia

[3] Airlangga Univ, Dept Engn, Fac Vocat Studies, Surabaya, Indonesia

来源：

OPTIK | 2020年 / 207卷

关键词：

Passive Q-switching; Laser resonator; Fiber lasers; 3RD-ORDER OPTICAL NONLINEARITY; COMPOSITE FILMS; HIGH-POWER; NANOPARTICLES;

D O I：

10.1016/j.ijleo.2020.164455

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a passive Q-switching fiber laser using silver (Ag) as saturable absorber. The Ag-SA was fabricated using electron beam deposition technique onto a polyvinyl alcohol (PVA) thin-film and possessed a low modulation depth of 2% at 1.5-micron wavelength. The Ag-SA then was incorporated into two fiber laser cavities, 1.5- and 2-micron. At 1.5-micron, a laser with average output power of 3.8 mW was produced, with narrowest pulse of 3.1 mu s. Besides, 2-micron able to produce high pulse energy of 161.7 nJ at pump power of 498 mW. Our experimental work suggest that the Ag saturable absorber is an effective solution for Q-switched generation in erbium-doped and thulium-doped fiber laser.

引用

页数：10

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