NdLMA激光器的附加脉冲锁模

用半导体激光泵浦ＮｄＬＭＡ激光器在１．０５４μｍ波长处获得连续６５０ｍＷ的激光输出，斜效率达３３％。利用一个包含光纤的非线性外腔，实现了自启动的ＮｄＬＭＡ附加脉冲锁模，输出平均功率为５８ｍＷ的接近带宽转移极限的１．８ｐｓ超短脉冲激光     

基于内腔的调Q锁模光参量振荡器的研究

为了实现内腔型光参量振荡器（OPO）的调Q锁模脉冲输出,通过设计并匹配OPO谐振腔和基频激光腔的腔长,满足了同步泵浦条件,最终在实验上得到了信号光的调Q锁模输出;在实验中,采用氙灯泵浦Nd:YAG作为基频激光,以KTP晶体为非线性转换介质,采用电光开关作为调Q手段,测量了OPO的近红外信号光的输出波形、输出能量、光谱构成等输出特性。在泵浦能量12.8 J、调制频率20 kHz时,得到了锁模深度为100%的信号光输出,并发现信号光锁模脉冲重复率依赖于基频激光;得到了调Q锁模信号光输出能量随泵浦能量、电光调制频率的变化关系。     

染料激光用新光泵——《环形电极同轴脉冲氙灯》

环形电板同轴脉冲氙灯由于采用环形电极的同轴结构，达到灯管通道放电均匀、稳定、实现了对染料的均匀泵浦，大大提高了激光输出效率（0．4％以上），为染料激光提供了一种新型泵浦光源。     

被动锁模涨落脉冲数和第二阈值研究

本文计算模拟了被动锁模涨落脉冲集在锁模线性阶段的发展过程.研究了激光器腔长、线性损耗、染料浓度、泵浦速率以及激光在增益介质和染料处的光束截面比对涨落脉冲数、脉宽和第二阈值的影响.实验测得涨落脉冲数和第二阈值与理论预示的符合较好.     

半导体激光侧面泵浦主动锁模Nd：YAG激光器

报道了用调制频率为４８ＭＨｚ的调幅锁模调制器实现准连续６０Ｗ半导体激光侧面泵浦Ｎｄ：ＹＡＧ激光器的锁模，初模脉冲宽度为１２０ｐｓ。实验中观察到自锁模现象，并对此作了分析。     

一种新型脉冲式染料激光器的设计

本文叙述了一种带有一级放大的脉冲染料激光器的设计考虑。该激光器的泵浦源是N2激光器，亦可用准分子器件。在适当变换泵浦系统后，也可采用Nd：YAG倍频激光做泵浦源。     

超短脉冲光纤激光器的研究进展

本文针对超短脉冲光纤激光器三种不同的锁模机制，综述了相应锁模光纤激光器的研究进展，并且对包层泵浦锁模光纤激光器产生高能量或高峰值功率超短脉冲进行了阐述。     

低温生长GaAs实现半导体泵浦红外激光器被动调Q锁模研究

用低温生长GaAs红外晶体材料作为饱和吸收体兼输出镜,在二极管泵浦全固态激光器上实现了调Q锁模。激光器调Q运转阈值为2W。当注入泵浦功率为3．6W时,调Q锁模开始出现。当注入泵浦功率为8．4W时,平均输出功率达到837mW,调Q包络的重复频率为100kHz,锁模脉冲的重复频率为760MHz。     

激光综合治疗机简介

我们研制的激光综合治疗机包括一台高功率连续YAG激光器和一台闪光灯泵浦脉冲染料激光器，目的为增加治疗机的适用范围并获得更理想的治疗效果。     

加长棒脉冲钕玻璃激光器的阈值,效率实验研究

本文从实验方面研究了加长激光棒使其长于椭圆泵浦腔时，对脉冲钕玻璃激光器输出性能的影响。实验结果发现：在相同条件下，激光棒适当长于椭圆泵浦腔，与棒和椭圆泵浦腔相地相比，能降低泵浦阈值，提高输出效率。     

Near-infrared dye laser pumped by a carbazine-122 dye laser

Efficient generation of a high-power near-infrared dye laser has been achieved by pumping longitudinally with a 5321-Å pumped carbazine-122 dye laser at 7000 Å. A peak power as high as 3.5 MW at 8630 Å and peak powers in excess of 0.5 MW from 7680 to 9170 Å have been obtained.     

蓝色染料激光器

研制了一台蓝色高功率单模染料激光器。当多谱线紫外Ar~+激光泵浦功率为4W时,在波长为432nm处单模输出达150mW。用这台激光器用磁场法反向照射Ca原子束,结果表明Ca原子被明显减速。     

A quasi-continuous dye laser

A quasi-continuous organic dye laser pumped with the second harmonic of a repetitivelyQ-switched ruby laser is reported.     

腔倒空染料激光器

本文描述了闪光灯泵浦的若丹明6G有机染料激光器的PTM模式运转的理论分析和实验研究.探讨了影响PTM模式运转效率的因素,获得5～25毫微秒的输出光脉冲,输出功率比正常型振荡腔提高22倍.     

Near-infrared dye laser emission from ultraviolet nitrogen-laser-pumped dye solutions

We report "superradiant" near-IR dye laser emission, with peak of emission in the 690-930-nm range, from nitrogen-laser (lambda = 337-nm)-pumped dye solutions including aluminum phthalocyanine chloride and seven polymethine cyanine dyes.     

Cavity waveguide output dye laser

The experimental realization of a laser which provides direct coupling of the inside cavity field with optical filter is discussed, and its general features are considered. A laser dye was used as an active medium. The authors call such laser a cavity waveguide output dye laser, (CWODL). The CWODL provides a method for inserting the laser emission (tunable) into optical fiber. The authors investigated experimentally the CWODL field distribution, tuning range, and output energy. The respective parameters of some classic devices are obtained in parallel and compared. Some analytical results, related to the CWODL features, are also discussed     

Long pulse DCM dye laser

We describe a flashlamp pumped dye laser, incorporating both prepulse and simmer enhancement, which is capable of kW outputs for the 0.1 ms duration of the flashlamp pulse. The laser has been operated with the new dye DCM; we find that using oxygen or nitrogen gas in the dye solution greatly increases both laser amplitude and pulse duration.     

High-efficiency tunable CW dye laser

An output power of 1 W is reported from a tunable CW dye laser pumped by 3.5 W of argon laser radiation. The nearly 30 percent conversion efficiency is achieved by using a very low-loss folded 3-mirror cavity and by pumping through a Brewster-angle dispersing prism.     

轴向泵浦环形染料激光器

引言 在连续波染料激光器里激光场通常以驻波形式在谐振腔内运行，驻波辐射场会使激活介质产生空间烧孔效应．这将给染料激光器的单纵模工作造成困难。利用环形谐振腔的行波激光器能够消除空间烧孔效应，因此其单频输出功率比驻波激光器的单频功率高得多。近年来环形染料激光器的发展十分迅速，为染料激光器在各领域的应用开辟了广宽的前景。     

双波长脉冲可调谐染料激光器

描述激光泵浦双波长同时运转的可调谐染料激光器。使用R6G、R6G R640和R6G LD473混合染料,适当地选择分束器和带有布儒斯特棱镜组预扩束器的掠射光栅腔,可获得较宽的调谐区、低的放大的自发辐射背景,峰值功率可达40千瓦,输出线宽<0.22厘米~(-1),并具有偏振特性。