Saturable absorber using single wall carbon nanotube-poly (vinylalcohol) deposited by the vertical evaporation technique

被引：36
作者：
Tai, Po-Tse [1 ]
Pan, Shu Di [2 ]
Wang, Yong-Gang [1 ]
Tang, Jau [1 ,3 ]
机构：
[1] Acad Sinica, Res Ctr Appl Sci, Taipei, Taiwan
[2] Qingdao Univ, Coll Phys, Qingdao 266071, Peoples R China
[3] Natl Chiao Tung Univ, Inst Photon, Hsinchu, Taiwan
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 05期
关键词：
Single wall carbon nanotube; Poly vinylalcohol; Absorber; Mode locking; PUMPED ND-GDVO4 LASER; PASSIVE-MODE LOCKING; FIBER LASER;
D O I：
10.1016/j.optcom.2010.10.086
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We employed a vertical evaporation technique to fabricate saturable absorbers by embedding single wall carbon nanotubes (SWCNT) in polymer (vinylalcohol). Two fast recovery time constants, 250 fs and 1.13 ps, respectively, were measured for the absorbers using a transient absorption experimental setup. The saturation intensity of the absorber was found to be 300-400 mu J/cm(2) at 1060 nm, and a modulation depth as high as 3.5% was achieved. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1303 / 1306
页数：4
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