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Ultrashort pulse compression and delivery in a hollow-core photonic crystal fiber at 540 nm wavelength

机译:在540 nm波长的中空光子晶体光纤中进行超短脉冲压缩和传输

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摘要

We have fabricated a bandgap-guiding hollow-core photonic crystal fiber (PCF) capable of transmitting and compressing ultrashort pulses in the green spectral region around 532 nm. When propagating subpicosecond pulses through 1 m of this fiber, we have observed soliton-effect temporal compression by up to a factor of 3 to around 100 fs. This reduces the wavelength at which soliton effects have been observed in hollow-core PCF by over 200 nm. We have used the pulses delivered at the output of the fiber to machine micrometer-scale features in copper.
机译:我们已经制造了能隙导带的中空光子晶体光纤(PCF),该光纤能够在532 nm的绿色光谱区域内传输和压缩超短脉冲。当亚皮秒脉冲传播通过该光纤的1 m时,我们观察到孤子效应的时间压缩高达3到100 fs左右。这将在空心PCF中观察到孤子效应的波长减小了200 nm以上。我们已经使用了在光纤输出端传递的脉冲来加工铜制的微米级特征。

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