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连续CO_2激光脉冲制作长周期光纤光栅的研究 被引量：1

Long-period Fiber Gratings Fabricated by CW CO_2 Laser Pulses
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摘要 利用耦合模理论分析了均匀长周期光纤光栅中的模式耦合,描述了连续CO2 激光脉冲逐点写入长周期光纤光栅技术的实验研究情况,实验中观测到模式耦合强度随光栅区域长度发生周期性变化。 Long-period fiber gratings (LPFG) are fabricated by using CW CO2 laser pulses, and transmission spectra are measured at different grating lengths. The coupling strength shows periodical variation versus the grating lengths. This conclusion is in agreement with the coupled mode theory.
作者 严明 罗售余 张智明
机构地区 上海交通大学物理系
出处 《光子学报》 EI CAS CSCD 北大核心 2005年第5期659-661,共3页 Acta Photonica Sinica
基金 国家自然科学基金(批准号 60178001 10074046)资助项目
关键词 长周期光纤光栅 耦合模理论 连续CO2激光脉冲 模式耦合 Long-period fiber grating Coupled mode theory CW CO_2 laser pulses Mode coupling
分类号 TN256 [电子电信—物理电子学]
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  • 1[1]Vengsarkar A M,Lemaire P J,Judkins J B,et al.Long-Period fiber gratings as band-rejection filters.J Lightware Technol, 1996,14(1):58～65
  • 2[2]Liu Y,Zhang L,Bennion I.Fibre optic load sensors with high transverse strain sensitivity based on long-period gratings in B/Ge co-doped fibre.Elcotron Lett,1999,35(8):661～662
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  • 4[5]Rao Y J, Wang Y P, Ran Z L,et al.Characteristics of novel long-period fiber gratings written by focused high-frequency CO2 laser pulses.Proc SPIE,2001,4581:328
  • 5[8]Wang Yiping,Rao Yunjiang,Ran Zengling,et al. A novel tunable Gain equalizers based on a long-period fiber grating written by high-frequency CO2 laser pulses.IEEE Photonics Technology Letters,2003,15(2):251～253
  • 6[9]Rao Yunjiang,Zhu Tao,Ran Zengling,et al.An all-fibre dynamic gain equalizer based on a novel long-period fiber grating written by high-frequency CO2 laser pulses.Chinese Physicals Leters,2002,19(12):1822～1824
  • 7Vengsarkar A M ,Lemsire P J,Judkirts J B,et al. Long-period fiber gratings as band-rejection filters. J Lightware Technol,1996,14( 1 ) :58 - 65.
  • 8Patrick H J, Williams G M, Kersey A D, et al. Hybrid fiber Bragg grating/long period fiber grating sensor for strain/temperature discrimination. IEEE Photo Tech Lea, 1996,8(9) : 1223 - 1225.
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光子学报
2005年 第5期

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