An all fiberized, 1.89-μm Q-switched laser employing carbon nanotube evanescent field interaction

被引：63

作者：

Jung, M. ^{[1
]}

Koo, J. ^{[1
]}

Chang, Y. M. ^{[1
]}

Debnath, P. ^{[2
,3
]}

Song, Y. -W. ^{[2
]}

Lee, J. H. ^{[1
]}

机构：

[1] Univ Seoul, Sch Elect & Comp Engn, Seoul 130743, South Korea

[2] Korea Inst Sci & Technol, Future Convergence Res Div, Seoul 136791, South Korea

[3] Univ Sci & Technol, Dept Nanoelect, Taejon 305333, South Korea

来源：

LASER PHYSICS LETTERS | 2012年 / 9卷 / 09期

基金：

新加坡国家研究基金会;

关键词：

fiber lasers; Q-switching; optical properties of nanotubes; laser materials; PASSIVE-MODE-LOCKING; SATURABLE ABSORBER;

D O I：

10.7452/lapl.201210061

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An all-fiber-integrated, Q-switched thulium-doped fiber laser based on carbon nanotube (CNT) evanescent field interaction is experimentally demonstrated. It is shown that a saturable absorber based on a CNT-deposited D-shaped fiber can readily be incorporated into a thulium-doped fiber ring cavity for a passive Q-switching operation at a wavelength of similar to 1.89 mu m. Using the laser scheme stable Q-switched pulses with a temporal width of similar to 7.155 mu s could be obtained at a repetition rate of 14.18 kHz. The temporal stability of the output pulses was also investigated. (C) 2012 by Astro, Ltd.

引用

页码：669 / 673

页数：5

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