胡明列 周桂耀

摘 要：該年度主要研究了光子晶體光纖飛秒激光系統(tǒng)的平均功率提升與脈沖質(zhì)量的改善。實現(xiàn)了新材料的光子晶體光纖，并利用高平均功率、高重復(fù)頻率的光子晶體光纖飛秒激光系統(tǒng)作為泵浦源，獲得了可見光-中紅外的超寬帶連續(xù)光譜調(diào)諧，并基于該光源泵浦具有微結(jié)構(gòu)增強效應(yīng)的GaP晶體，得到了THz波產(chǎn)生效率的顯著提升。

關(guān)鍵詞：飛秒激光 光子晶體光纖 頻率調(diào)諧

Abstract：Photonic crystal fiber femtosecond laser system with improved average power and pulse contrast has been studied. The photonic crystal fiber based on new material is developed. Ultra-broadband frequency tuning from visible to mid infrared has been achieved with the photonic crystal fiber laser source. Average power enhancement for THz generation has also been observed via a microstructuredGaP crystal pumped by the photonic crystal fiber laser source.

Key Words：Femtosecond Laser；Photonic Crystal Fiber；Frequency Tunable

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