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

被引：62
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
收藏
页码：669 / 673
页数：5
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