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首页> 外文期刊>Applied physics >Sub-picosecond all-fiber chirped-pulse amplification system based on photonic crystal fibers'spectral broadening and chirped-volume Bragg grating compression
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Sub-picosecond all-fiber chirped-pulse amplification system based on photonic crystal fibers'spectral broadening and chirped-volume Bragg grating compression

机译:基于光子晶体光纤光谱展宽和chi体积布拉格光栅压缩的亚皮秒全光纤chi脉冲放大系统

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摘要

In this paper, a 38.7 W amplified (24.8 W compressed) picosecond ytteribium-fiber chirped-pulse amplification system at 1030.3 nm is demonstrated using chirped-volume Bragg grating for the compressor and photonic crystal fiber for the spectral stretcher. For optimizing compressed pulse duration, the spectral width is fine-tuned by controlling the length, dispersion and the parameters of the nonlinear of the photonic crystal fiber, which is an additional dispersion compensation method to eliminate the residual dispersion in the chirped-pulse amplification system. As a result, the chirped pulse width of 330 ps is amplified in ytteribium-doped fiber amplifier and subsequently, re-compressed to 1.1 ps duration corresponding to the peak power of 1.1 MW.
机译:在本文中,使用chi体积的布拉格光栅作为压缩机和光子晶体光纤作为光谱扩展器,证明了在1030.3 nm处放大的38.7 W皮秒(压缩后为24.8 W)皮秒y光纤chi脉冲放大系统。为了优化压缩脉冲持续时间,可通过控制光子晶体光纤的长度,色散和非线性参数来微调频谱宽度,这是消除dispersion脉冲放大系统中残留色散的另一种色散补偿方法。 。结果,在掺tter光纤放大器中将330 ps的chi脉冲宽度放大,然后再压缩到1.1 ps的持续时间,对应于1.1 MW的峰值功率。

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