| 光通讯用低PDL线性渐变衰减滤光片 |
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| 引用本文： | 张勇喜,阴晓俊,金秀,杨文华,张艳姝,费书国. 光通讯用低PDL线性渐变衰减滤光片[J]. 光学仪器, 2008, 30(3): 64-67 |
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| 作者姓名： | 张勇喜 阴晓俊 金秀 杨文华 张艳姝 费书国 |
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| 作者单位： | 沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043;沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043;沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043;沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043;沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043;沈阳仪表科学研究院,汇博光学技术公司,辽宁,沈阳,110043 |
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| 摘 要： | 计算了渐变衰减滤光片的偏振相关损耗,分析了镀膜工艺对偏振相关损耗的影响,提出了降低偏振相关损耗的方法。采用线性迭代修正法和膜厚分布可调控制技术,提高了渐变衰减滤光片的线性度。制造出线性度小于5%、偏振相关损耗小于0.08dB的高性能渐变衰减滤光片。
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| 关 键 词： | 线性度 渐变衰减滤光片(VAF) 偏振相关损耗 |
Linear variable attenuation filter with low PDL using in optical communication |
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| ZHANG Yongxi,YIN Xiaojun,JIN Xiu,YANG Wenhu,ZHANG Yanshu,FEI Shuguo. Linear variable attenuation filter with low PDL using in optical communication[J]. Optical Instruments, 2008, 30(3): 64-67 |
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| Authors: | ZHANG Yongxi YIN Xiaojun JIN Xiu YANG Wenhu ZHANG Yanshu FEI Shuguo |
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| Abstract: | The PDL(polarization dependent loss) of the VAF(variable attenuation filters) was calculated,and the influence on the PDL due to the coating technology was also analyzed,then the method to reduce PDL was presented.The linearity of the VAF has been improved by adopting both the linear iterative modifying method and the film distributing controllable technology.So the filters with fine performance were manufactured,the linearity and PDL was less than 5% and 0.08dB respectively. |
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| Keywords: | linearity variable attenuation filter(VAF) PDL |
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