级联长周期光纤光栅的光谱特性研究

王霞元; 黄勇林

级联长周期光纤光栅的光谱特性研究

王霞元^,,
黄勇林

南京邮电大学光电工程学院,江苏南京 210046

详细信息

通讯作者:
王霞元（1985—），男，江苏盐城人，硕士研究生，主要从事光纤通信和光波技术研究工作。

中图分类号: TN25；TN929.11
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出版历程
- 刊出日期: 2012-07-14

Spectral characteristics of cascaded long-period gratings

WANG Xia-yuan^,,
HUANG Yong-lin

School of Opto-Electronic Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210046,China

摘要

摘要: 级联长周期光纤光栅的透射谱具有干涉峰的振幅大、谱型丰富等优点。利用传输矩阵法分析了级联及相移长周期光栅的光谱特性，研究了级联光栅间距、位置和相移对光栅谱的影响，并对级联及相移长周期光栅谱进行了比较。结果表明：两者光谱特性在光栅间距长度与光栅周期之比较小或级联位置靠近光栅两端时具有较强的一致性。对相移长周期光栅而言，当引入多个相移时，两个主阻带间的通带宽度随着引入的相移个数的增多而逐渐变宽。
- 级联长周期光栅 /
- 相移长周期光栅 /
- 传输矩阵
Abstract: The transmission spectrum of cascaded long-period fiber grating has many advantages, such as large amplitude of diffraction peak, various spectral types and so on. The transmission spectra of cascaded long-period grating (LPG) were analyzed by using transfer matrix method. The effects of distance, position and phase-shift related to the LPGs on the cascaded spectral characteristics were discussed. And the cascaded and phase-shifted long-period grating spectra were compared. The results show that the spectra of phase-shifted LPG and cascaded LPG have great consistency when the cascading position is near the end of the cascaded LPG or the distance between the cascading fibers is small. And for phase-shifted LPG, when several phase-shifts are inserted, the interval of the two main-stop-bands broadens with the increase of the number of phase-shifts inserted.
- cascaded long-period grating /
- phase-shifted long-period grating /
- transfer matrix

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参考文献(1)

［1］MARTINEZ-RIOS A, TORRES-GOMEZ I. Random period arc-induced long-period fiber gratings［J］. Optics and Laser Technology, 2012, 44(4): 1176-1179.

［2］SMIETANA M, BOCK W J, MIKULIC P, et al. Tuned pressure sensitivity of dual resonant long-period gratings written in Boron co-doped optical fiber［J］. Journal of Lightwave Technology,2012, 30(8): 1080-1084.

［3］ZHOU Xiao-jun, SHI Sheng-hui, ZHANG Zhi-yao, et al. Refractive index sensing by using mechanically induced long-period grating［J］. IEEE Photonics Journal,2012, 4(1): 119-125.

［4］FERREIRA L A, SMTOS J L, FARAHI F. Pseudo heterodyne demodulation technique for fiber Bragg grating sensors using two marched gratings［J］. IEEE Photonics Technology Letters, 1997, 9(4): 487-488.

［5］CAO Ying, GU Zheng-tian. The development and application of cascaded fiber grating［J］. Optical Technique, 2011, 37(1): 49-56.

［6］崔春雷，刘伟平. 级联型长周期光纤光栅传输谱的研究［J］. 半导体光电, 2009, 30(6): 863-866.

CUI Chun-lei, LIU Wei-ping. Spectral characteristics of the cascaded long-period gratings［J］. Semiconductor Optoelectronics, 2009, 30(6): 863-866. (in Chinese with an English abstract)

［7］ZHAO Xiao-yun, GU Zheng-tian. Spectral characteristics of triple-clad cascaded long-period gratings［J］. Chinese Journal of Lasers, 2008, 35(10): 1532-1537.

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文章访问数: 2790
HTML全文浏览量: 121
PDF下载量: 528
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级联长周期光纤光栅的光谱特性研究

通讯作者:
王霞元（1985—），男，江苏盐城人，硕士研究生，主要从事光纤通信和光波技术研究工作。

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Spectral characteristics of cascaded long-period gratings

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级联长周期光纤光栅的光谱特性研究

通讯作者: 王霞元（1985—），男，江苏盐城人，硕士研究生，主要从事光纤通信和光波技术研究工作。

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Spectral characteristics of cascaded long-period gratings

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通讯作者:
王霞元（1985—），男，江苏盐城人，硕士研究生，主要从事光纤通信和光波技术研究工作。