全正色散被动锁模掺镱光纤激光器的研究的中期报告摘要：本研究旨在实现全正色散和被动锁模的掺镱光纤激光器，并探究其性能。通过分析设备结构和光学原理，优化了设备参数和光纤芯层的掺镱浓度，最终搭建了实验平台并进行了初步实验。实验结果表明，优化后的掺镱光纤激光器具有全正色散特性，可以输出高品质、稳定的激光信号，且被动锁模稳定性较好。关键词：掺镱光纤激光器；全正色散；被动锁模；激光信号；稳定性Abstract:Theobjectiveofthisstudyistoachieveall-positive-dispersionandpassivemode-lockinginerbium-dopedfiberlasers,andtoexploretheirperformance.Throughtheanalysisofthedevicestructureandopticalprinciple,thedeviceparametersandtheerbiumdopingconcentrationinthefibercorewereoptimized.Finally,anexperimentalplatformwasestablishedandpreliminaryexperimentswerecarriedout.Theexperimentalresultsshowthattheoptimizederbium-dopedfiberlaserhasall-positive-dispersioncharacteristics,canoutputhigh-qualityandstablelasersignals,andhasgoodpassivemode-lockingstability.Keywords:erbium-dopedfiberlaser;all-positive-dispersion;passivemode-locking;lasersignal;stability