Temperature Tuning Properties of π Phase-Shifted Fiber Bragg Gratings

被引：0
|
作者：
Sun J. [1 ,2 ,3 ]
Wang Z. [1 ,2 ,3 ]
Wang M. [1 ,2 ,3 ]
Xi X. [1 ,2 ,3 ]
Chen J. [1 ,2 ,3 ]
机构：
[1] College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha, 410073, Hunan
[2] Hunan Provincial Collaborative Innovation Center of High Power Fiber Laser, Changsha, 410073, Hunan
[3] Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha, 410073, Hunan
来源：
Wang, Zefeng (hotrosemaths@163.com) | 1600年 / Chinese Optical Society卷 / 37期
关键词：
Gratings; Narrow linewidth lasers; Temperature tuning; Tunable laser; π phase-shifted fiber grating;
D O I：
10.3788/AOS201737.1006004
中图分类号：
学科分类号：
摘要：
Based on the temperature tunable principle of π phase-shifted fiber Bragg gratings, a thermo-electric cooler and a refrigeration wafer are used to control the temperature of a π phase-shifted fiber Bragg grating, and then change its central wavelength. Its central wavelength has a bathochromic shift with temperature rising. As the temperature rises from 0 ℃ to 95 ℃, the central wavelength changes from 1548.921 nm to 1550.664 nm with a total change of 1.743 nm. The sensitivity is approximately 18.35 pm/℃. In order to verify the temperature tuning properties of π phase-shifted fiber Bragg gratings, we design a C-band ring-cavity fiber laser by using high reflectivity fiber Bragg grating(FBG) with matched reflectance spectrum. We use narrow-band filtering characteristics of π phase-shifted FBG to realize narrow linewidth fiber laser output, and control the temperature to realize continuous tuning of output laser wavelength. © 2017, Chinese Lasers Press. All right reserved.
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