Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating

被引：154

作者：

Delgado-Pinar, M

Zalvidea, D

Díez, A

Pérez-Millán, P

Andrés, MV

机构：

[1] Univ Valencia, Dept Fis Aplicada, ICMUV, E-46100 Burjassot, Spain

[2] Consejo Nacl Invest Cient & Tecn, CIC, Ctr Invest Opt, La Plata, Argentina

来源：

OPTICS EXPRESS | 2006年 / 14卷 / 03期

关键词：

D O I：

10.1364/OE.14.001106

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report active Q-switching of an all-fiber laser using a Bragg grating based acousto-optic modulator. Q-switching is performed by modulating a fiber Bragg grating with an extensional acoustic wave. The acoustic wave modulates periodically the effective index profile of the FBG and changes its reflection features. This allows controlling the Q-factor of the cavity. Using 1 m of 300 ppm erbium-doped fiber and a maximum pump power of 180 mW, Q-switch pulses of 10 W of peak power and 82ns wide were generated. The pulse repetition rate of the laser can be continuously varied from few Hz up to 62.5 kHz.(c) 2006 Optical Society of America.

引用

收藏

页码：1106 / 1112

页数：7

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