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光纤超连续光源的实验研究

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摘要 从光纤中产生超连续谱(SC)的物理机制出发,对各种非线性效应、光纤参数以及泵浦脉冲参数对SC谱特性的影响进行了简要的理论分析.实验中,利用非线性偏振旋转被动锁模光纤激光器输出的1.5 ps超短脉冲作为泵浦源,无需压缩直接泵浦不同色散特性和长度的光纤,完成超连续谱的产生和谱切片实验.实现20 dB谱展宽大于450 nm,长波段扩展到14780 nm以上(受测试仪器限制),在百纳米范围段的不平坦度<(0.25 dB,达到国内最好水平.
出处 《光电子.激光》 EI CAS CSCD 北大核心 2004年第z1期134-140,共7页 Journal of Optoelectronics·Laser
基金 教育部博士点基金项目(1999005615),国家自然科学基金项目(69877012)天津大学青年教师基金
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