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超强飞秒脉冲在分段中空光波导中脉冲压缩最优化的研究 被引量:3

Study on the Optimum Condition for Spectrum Compression of the Intense Ultrashort Pulses by Cascaded Hollow Fibers
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摘要 通过分段中空光波导对超短脉冲进行光谱展宽,进而压缩获得更窄的飞秒脉冲,是获得周期量级飞秒脉冲的一个简单而有效的方法。对这一方法的最优化问题进行了理论研究和数值模拟。理论计算表明,相等的两段光波导并不是最佳的选择方案,进行优化后的方案在脉冲能量和波形上都会有显著提高。另外,考虑各种物理机制,在两段光波导总长度一定的条件下,适当选取前后两段的长度,可以获得更为理想的脉冲,从而提高脉冲压缩的效率和效果。 We studied on the spectrum broadening and compression of the intense ultra short pulse by cascaded hol- low fibers through both analytical deduction and numerical simulation. The research results show that when the total length of the cascaded fibers is fixed, we could get the optimum condition for pulse compression when we choose ap- propriate length of each fiber.
出处 《光学学报》 EI CAS CSCD 北大核心 2013年第F06期306-310,共5页 Acta Optica Sinica
基金 国家自然科学基金(11104201)资助课题.
关键词 超快光学 中空光波导 脉冲压缩 最优化 ultrafast optics cascaded hollow fibers pulse compression optimum condition
作者简介 宋振明(1978-),男,博士,副教授,主要从事超快光学和非线性光学等方面的研究。E-mail:songzhenming@gmail.com
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