Nanosecond passively Q-switched fiber laser in the 1.5 μm region using turmeric saturable absorber

被引：20

作者：

Al-Hiti, Ahmed Shakir ^{[1
]}

Al-Masoodi, Ahmed H. H. ^{[2
]}

Wong, Wei Ru ^{[1
]}

Yasin, M. ^{[3
]}

Al-Masoodi, Ab H. H. ^{[4
]}

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

机构：

[1] Univ Malaya, Fac Engn, Dept Elect Engn, Photon Engn Lab, Kuala Lumpur 50630, Malaysia

[2] Amer Univ Kurdistan, Coll Engn, Elect & Telecommun Engn Dept, Duhok 42001, Kurdistan Regio, Iraq

[3] Airlangga Univ, Fac Sci & Technol, Dept Phys, Surabaya 60115, Indonesia

[4] Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia

来源：

OPTICS AND LASER TECHNOLOGY | 2021年 / 139卷

关键词：

Q-switched; Erbium-doped fiber laser; Turmeric film; Saturable absorber;

D O I：

10.1016/j.optlastec.2021.106971

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a passively Q-switched Erbium-doped fiber laser (EDFL) at 1566.96 nm by applying a new type of organic material based on turmeric as the saturable absorber (SA). The material was prepared by the embedding turmeric powder into polyvinyl alcohol (PVA) film. The prepared thin film was inserted between two fiber ferrules and integrated into an EDFL cavity to generate Q-switched pulses at threshold pump power of 119 mW. The maximum Q-switched pulse average power and pulse energy were 13.6 mW and 150.96 nJ, respectively under the input pump power of 255 mW. The highest pulse repetition rate and shortest pulse duration was 90.09 kHz and 725 ns, respectively. The finding indicates that the turmeric material has performed well as SA in the 1.5 mu m spectral region.

引用

页数：7

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