laserdiode相关论文
Optical levitation technology is a new levitation technology for trapping micro/nano-particles.By taking advantage of th......
We design a 645 nm laser diode (LD) with a narrow vertical beam divergence angle based on the mode expansion layer.The v......
High-power single emitters and laser bars with improved performance emitting between 880nm and 1060n
High-power single emitters and laser bars have established as widely-used light sources in many industrial applications ......
There is a great potential in cost reduction for light emitting devices by epitaxially integrating Ⅲ-Nitride semiconduc......
Power build-up cavity enhanced Raman spectroscopy based on piezoelectric transducer for gas analysis
In this paper,the Power Build-Up cavity enhanced Raman spectroscopy is introduced and the matching mode between the cavi......
Laser-induce fluorescence (LIF) is a sensitive and widely used detection method for capillary electrophoresis (CE).Laser......
搭建测试系统，对宽面源单管半导体激光器(LD)和其组成的二维阵列光源的远场散斑特性进行了测量。使用方形光阑对激光二极管发出的照......
本文报道了采用国产器件进行的1.47 μm激光二极管(LD)泵浦的掺铒光纤放大器的实验结果。采用模场匹配技术使标准单模光纤(MFD=9.1......
为了提高半导体激光二极管的输出功率和可靠性,通过在有源区两侧势垒层和波导层之间引入高禁带宽度的GaAsP,抑制有源区载流子的泄......
Laser drivers are an enabling factor to inertial confinement fusion, because laser diodes must be used instead of flash ......
半导体激光器(LD)工作在空间辐射或核辐射环境中时, 会受到辐照损伤的影响而导致器件性能退化。文章回顾了不同时期研制的LD(从早......
报道了一种激光二极管阵列双端双程抽运Yb∶YAG板条激光器。基于抽运光在晶体中的吸收特性,建立双端双程抽运与双端单程抽运结构的......
Reduced threshold current density of GaN-based green laser diode by applying polarization doping p-c
Absorption induced by activated magnesium (Mg) in a p-type layer contributes considerable optical internal loss in GaN-b......
利用半导体激光器线性调频外差干涉原理和频域多路复用原理,研究了光纤位移传感器多路复用技术,制作了两路复用光纤位移传感器,研......
为了改善半导体激光光束质量,使其能够满足大距离高精度干涉测量的要求,使用空间光调制器对半导体激光光束进行整形,提出了一种基......
根据激光二极管发光的部分相干性这一客观事实,运用部分相干光理论提出了描述激光二极管远场分布的新的理论模型。该模型体现了激......
本文提出了一种从半导体激光器中发生和检测相位共轭光的新方法,并用1.3μm分布反馈半导体激光器作了实验验证。本方法不仅可以用......
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为改善宽面940 nm半导体激光二极管(LD)的输出功率及光电转换效率(WPE)，设计并制作了一种包含梯度渐变折射率(GRIN)结构的新型量子......
宽发射面激光二极管作为泵浦源在全固态激光器中得到了广泛的应用, 但由于快慢轴发散角太大和发光面的不对称, 所以需要对其进行光......
沙氏大气激光雷达技术是近几年来发展起来的一种新型大气激光雷达技术。该技术以高功率连续波二极管激光器作为光源, 图像传感器作......
We design a 645 nm laser diode (LD) with a narrow vertical beam divergence angle based on the mode expansion layer. The ......
根据光线追迹原理,研究用于端面抽运的大面阵激光二极管(LD)抽运源的耦合系统设计。结合当前大口径激光二极管阵列常用的空心导管......
Self-mixing interferometry (SMI) is an attractive sensing scheme that typically relies on mono-modal operation of an emp......
We demonstrate a laser diode end-pumped helium gas-cooled multislab Nd:glass laser amplifier. The design and thermal man......
利用半导体激光器作为触发源，对砷化镓光导开关进行了实验研究，重点研究了载流子累加效应对开关输出特性的影响。实验结果表明，光导开......
采用温梯法生长了两种不同掺杂浓度的Nd,Y∶CaF2晶体（0.6%Nd,5%Y∶CaF2，0.8%Nd,5%Y∶CaF2,其浓度均由原子数分数表示）,并测试了两种晶......
利用自行研制的单模光纤输出2.05 μm半导体激光器，采用外差检测技术，研究了 2.05 μm全光纤声光移频器的调制特性和偏转特性，实验结......
使激光二极管的发光面紧贴Nd:YVO4激光晶体，“面对面”直接耦合泵浦，采用KTP晶体腔内倍频，在503 mW的泵浦功率下，获得532 nm基横模绿光......
研究了外腔反馈对内腔有效长度和内腔中光子态密度的影响，并对自混合干涉可能产生的作用进行了分析讨论。研究表明，外腔反馈光不仅改......
光时域反射仪(OTDR)是通信链路中光纤特性测试的专用仪器, 半导体激光器是OTDR的关键元器件, 激光器的性能直接影响OTDR的测试距离......
以两个65 W的793 nm 激光二极管(LD)作为泵浦源,采用U型谐振腔结构进行高功率声光调Q运转实验研究。采用三种b轴切割的板条状镀金T......
Compact long-working-distance laser-diode-based photoacoustic microscopy with a reflective objective
Photoacoustic microscopy[PAM]has quickly developed into a noninvasive biomedical imaging technique to achieve detec-tion......
The Automotive industry faces strong demands to reduce the impact of vehicles on the environment,while simultaneous-......
报道了用激光二极管端面泵浦的高效连续波ＴＥＭ００模Ｎｄ：ＹＡＧ激光器，最大输出为０．６５Ｗ，斜效率５１％，光－光效率最高达４０．６％，并给出了耦合力学系统和二极管泵浦Ｎｄ：ＹＡＧ激光器的器件......
介绍一种测量肌肉震颤频率和幅度的无损伤、非接触光学方法。分析了在直接频率调制下，激光二极管中的光反馈效应，探讨了振动微小位移......
报道了一种高功率、高光束质量的755 nm连续波翠绿宝石激光器.首先,对比研究了638 nm激光二极管(LDs)和532 nm固体激光器单端泵浦......
High efficiency,high power 808nm laser array and stacked arrays optimized for elevated temperature o
Operation of 808-nm laser diode pumping at elevated temperature is crucial to many applications. Reliable operation at h......
介绍了一种基于光散射原理的便携式激光表面粗糙度测量仪。它采用半导体激光器光源，以元心光路结构接收、处理经粗糙表面调制的散射......
