A simple method to fabricate phase-shifted fiber grating

Li Wang; Bai Chen; Jialin Chen; Liping Chang; Guoyang Li; An Sun; Zunqi Lin

Chinese Optics Letters, 2007, 5 (s1): 82, Published Online: Jul. 15, 2007

A simple method to fabricate phase-shifted fiber grating Download： 671次

论文大纲

Li Wang ^*Bai Chen Jialin Chen Liping Chang Guoyang Li An Sun Zunqi Lin

Author Affiliations

National Laboratory of High Power Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

140.3490 Lasers, distributed-feedback 140.3510 Lasers, fiber

Abstract

We have successfully demonstrated a single-frequency distributed-feedback Yb-doped silica fiber laser. The laser cavity is 10 cm long and is formed by a simple method called the shielded method. The phase shift in the fiber Bragg grating is introduced by shielding a small region of the fiber during fabrication by ultraviolet (UV) light from a 193-nm excimer. Without complex pump configuration, the fiber laser gives a maximum output of more than 20 mW when pumped by laser diode at 978 nm with 100 mW. The laser shows a single frequency and single polarization operation.

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Li Wang, Bai Chen, Jialin Chen, Liping Chang, Guoyang Li, An Sun, Zunqi Lin. A simple method to fabricate phase-shifted fiber grating[J]. Chinese Optics Letters, 2007, 5(s1): 82.

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