The present paper presents a new method for restraining the light lasing of the travelling-wave optical amplifier by means of the combination of dip and taper angles in the structure of the device. 文章讨论了行波管放大器的非线性特性,研究了预失真和前馈线性化技术,提出一种利用预失真与前馈法相结合的新方法来对行波管进行线性化。
The Theory Study on Optical Properties and Modulating of Lasing in Random Media 随机激光的光学特性及其调制的理论研究
Room Temperature Electrically Pumped Ultraviolet Random Lasing from ZnO Nanorod Arrays on Si 硅基ZnO纳米棒阵列的室温电抽运随机激光
The Investigation of Spectroscopic Properties and Lasing Performance of Ho~ ( 3+) Doped LSO Crystal 掺Ho~(3+)离子LSO晶体光谱特性和激光实验研究
At last the effect of a F-P interferometer on the lasing mode of diode lasers is discussed. 最后讨论了F-P干涉仪对半导体激光器的模式特性的影响。
The lasing oscillation shows a narrower bandwidth than SOA-based multi-wavelength fiber lasers utilizing some other kinds of wavelength selective components. 超窄的滤波器带宽使得这种激光器的带宽特性优于其他一些基于半导体光放大器的激光器。
Relationship between Different Lasing Mode Emission and Scatter Density in the Random Laser 无序介质中不同模式的激光辐射与散射体密度的关系
Lightwave Localization in Disordered Media and Random Lasing 无序介质中的光波局域与随机激光辐射
Lasing Characteristic of Soft X-Ray Spike Pumped by Capillary Discharge at Fast Z-Pinch 快速Z箍缩时毛细管放电软X射线尖峰的激光特性
Container Lashing Equipment: Lasing Eye, Foundation, Sockets, Plate, Guide Cone, Lashing Bar, Twistlock, BaseTwistlock, Single Stacker, Double Stacker, Bridge Fitting, D Ring. 眼板,底座,底板,吊座,导锥,拉杆,底锁,扭锁,单锥,双锥,桥码,地令。
Results show that the lasing threshold of TM modes can be lower than that of TE modes when the radius of the local pumping region is suitably selected. 结果显示,在合理选择局域抽运范围的情况下,TM偏振模式能够获得比TE偏振模式更低的阈值。
Measurements of losses and lasing efficiency in GSGG: Cr, Nd and YAG: Nd laser rods GSGG:Cr,Nd和YAG:Nd激光棒的损耗与激光效率测量
Furthermore, several nanometer tunable lasing wavelength is obtained by varying coupler ratio. 利用改变耦合器的耦合比获得了几个nm的波长调谐。
The number of lasing wavelength and wavelength spaces can be controlled by changing the state of polarization controller. 通过调节偏振控制器的状态,可以实现对波长振荡个数和波长间隔的控制。
The steady state gain and lasing in a closed coherently and incoherently pumped a three-level 2-type atomic system are analyzed. The condition of lasing without population inversion and the laser intensity are obtained. 本文分析了一个被相干和非相干泵浦的三能级原子系统的稳态增益和激光特性,得出产生无反转激光的条件和激光的强度。
This paper studies the lasing condition at lower pressure of argon with experiment. 实验探索了较低氩气气压下激光产生的条件。
Lasing without Inversion Induced by Raman Process in ∧-Type Three-level System ∧型三能级系统中Raman过程诱导的无反转激光
A Study of Lasing without Inversion on Four-level Atom System 四能级原子系统无粒子数反转受激光放大的研究
Spectral and lasing properties of J-series blue-green new laser dye 蓝-绿新激光染料J系列的光谱和激光性能
This system can exhibit the transition from lasing with inversion to lasing without inversion. 该系统能实现有粒子数反转激光到无粒子数反转激光的转变。
Tunable Laser Crystals: Composition, Structure and Lasing Properties 可调谐激光晶体的成分、结构和激光性质
But it is multiple scattering that makes random lasing possible. 但在随机激光系统中,多重散射使随机受激辐射成为可能。
During the research on ZnO, the high lasing threshold confines the development of ZnO as laser material. 但是在对ZnO的研究过程中,泵浦阈值较高是限制ZnO作为紫外激光材料的一个难点。
Finally, on the basis of analysis of lasing threshold, the low-threshold random lasers are analyzed in detail. 通过分析随机激光器的阈值,探讨了降低随机激光器阈值的方法和技术。
Frequency up-converted lasing pumped by the process of multi-photon absorption is promising for the myriad applications in biomedical optics. 利用多光子吸收过程实现频率上转换的激光发射在光电子学特别是生物光子学领域具有广泛的应用前景。
At room temperature, the random lasing from ZnO with the threshold current 43 mA was obtained. 室温条件下在该结构中获得了阈值电流为43mA的ZnO随机激光输出。
In one method, an overlapping cavity for the two lasing wavelengths and hybrid gain medium in the fiber laser are introduced. 第一个光纤激光器引入了两个激光波长的重叠腔和混合增益介质。
The EIT phenomena also have applications in lasing without inversion ( LWI) and enhancement of nonlinear optical processes. EIT现象也可应用于无反转激光(LWI)的产生以及提高光学非线性效应。
We realized low-threshold current ZnO random laser operation and ZnO pn heterojunction electrically pump lasing. 实现了低阈值的ZnO随机激光输出及ZnO异质pn结电泵浦受激发射。