Application of Wavelength Modulation in Erbium-Doped Fiber Laser Intra-Cavity Absorption Gas Sensor 波长调制技术在掺铒光纤腔内吸收气体传感中的应用
Method of Gas Detection Based on Intra-Cavity Erbium-Doped Fiber Laser 基于环腔光纤激光器的气体检测方法
When adaptive optical elements such as deformable mirrors are adopted for intra-cavity aberration correction, the correction for tilt aberration should be considered first. 该方法为腔内像差特性的研究和像差校正提供了一定参考。
Intra-cavity fiber sensor for measuring gas concentration based on laser ′ s transient regime 基于激光瞬态特性的内腔气体浓度光纤传感器
Polarization behaviour of an intra-cavity He-Ne laser 内腔式He-Ne激光的偏振特性
Intra-Cavity KTP Optical Parametric Oscillator With the Thermal Compensation 具有热补偿的内腔KTP光参量振荡器
Secondly, based on LD pumped Nd: YVO4 and intra-cavity KTP frequency doubled green laser, this dissertation established experimental setup of this effect. 其次,本文建立了基于LD泵浦Nd:YVO4的KTP内腔倍频绿光激光器的自混合干涉实验系统。
Utilizing the equipment in our lab, the performance of the Fourier-transform intra-cavity laser absorption spectroscopy ( FT-ICLAS) was tested by applying to the measurement of the weak bands of acetylene near 12300cm~ (-1). 利用对C2H2分子在12300cm~(-1)附近微弱吸收谱带的定量测量,对本实验室的傅里叶变换激光腔内吸收光谱装置的性能进行了验证;
Based on Fourier-transform intra-cavity laser absorption spectroscopy ( FT-ICLAS) setup reported, a signal differential module is introduced to reduce the noise rising from the fluctuation of the laser power and to improve the quality of the interferogram obtained in the experiment. 在原有傅立叶变换激光腔内吸收光谱实验装置的基础上,利用信号差分方法减少了光强波动对实验干涉谱图的影响,改善了信噪比。
Under fixed discharge condition, using the intra-cavity optogalvanio technique, the saturation parameters of CO laser medium and its dependence on the temperature and current have been measured. 在固定放电条件不变情况下,利用腔内光电流光谱术测量了CO激光介质的饱和参量以及它与温度、电流的关系;
After LD pumped intra-cavity KTP OPO being adopted, the pump peak value power density was increased and high repetition frequency of 2 μ m laser was implemented easily. 以1.06μm激光为泵浦源,采用二极管泵浦腔内OPO的方案能有效提高泵浦峰值功率密度,有利于实现高重复频率2μm激光输出。
Intra-Cavity Absorption Gas Measurement Network Based on the Fiber Lasers 基于光纤激光器的有源腔气体吸收测量网络
High sensitivity of the intra-cavity absorption gas sensor ( ICAGS) measurement network based on the erbium doped fiber ring laser was demonstrated. 有源内腔法气体吸收测量技术具有极高的灵敏度,通过对基于掺铒光纤激光器的有源气体测量系统的分析和静态测量结果表明,在激光器阈值附近系统的灵敏度最大。
Because of the intra-cavity birefringence, each longitudinal mode is split into two linearly and orthogonally polarized components, that is, ordinary mode ( o-mode) and extra-ordinary mode ( e-mode). 因腔内存在双折射效应,每一激光纵模分裂为两个相互正交的线偏振模,即o模和e模;
[ Objective] To establish a determination method for isolated gastrointestinal intra-cavity perfusion pressure and to explore its application in pharmacological experiment. [目的]建立测定动物胃肠内压实验模型,为研究药物调节动物胃肠运动提供简便而有效的方法。
For the free electron laser ( FEL) oscillator with a output hole, the transverse structure of the intra-cavity light is strongly depended on the hole-coupling. On the mirror with the hole, the coupling between the transverse modes are very complex. 孔耦合输出对自由电子激光(FEL)振荡器腔内光场的横向结构有很大的影响,在输出镜上横模之间发生很复杂的耦合转换。
In this dissertation, we developed an active mode-locking intra-cavity doubling Nd: YAG green light laser pumped by the continuous krypton lamp. 在详细的理论分析的基础上,我们研制了一台连续氪弧光灯泵浦的主动锁模腔内倍频Nd:YAG激光器。
Output properties of average power of intra-cavity second, triple and fourth harmonics in Q-switched laser 调Q的激光器内腔二、三、四次倍频平均功率的输出特性
Study on Active Mode-locking Intra-cavity Doubling Nd: YAG Green Light Laser 主动锁模腔内倍频Nd:YAG绿光激光器的研究
Absorption Line Intensity and Profile Studied by Fourier Transform Intra-cavity Laser Absorption Spectroscopy 傅立叶变换激光腔内吸收光谱方法研究吸收谱线的强度与线形
Experiment investigation of laser intra-cavity absorption 激光腔内吸收的实验研究
The invention of Semiconductor saturable absorber mirror ( SESAM) makes the intra-cavity mode-locked solid-state laser system with independent design of cavity possible, which realizes mode-locking in solid-state lasers with different kinds of cavities. 半导体可饱和吸收镜的出现,为谐振腔腔形设计独立的腔内被动锁膜的固体激光器系统提供了可能性,使得不同种类腔型的固体激光器实现锁模。
Laser intra-cavity absorption spectroscopy has been of concern to scholars from various countries since it was proposed. Because of its high sensitivity, it is widely applied to the detection of weak absorption in gas, liquid and plasma. 激光腔内吸收光谱自被提出以来因其高灵敏度特性一直为各国学者所关注,被广泛应用于气体、液体和等离子体等介质中粒子弱吸收的探测。
Conventional visualization experimental results show that plastic thickness not only affects intra-cavity imbalance but also has impact on inter-cavity imbalance. 常规可视化实验结果表明,制件壁厚对型腔内部的充填平衡性以及型腔之间的充填平衡性影响显著。
The dynamic characters and output characters of intra-cavity OPG were analyzed theoretically, according to the three-wave coupled equations and acousto-optic Q-switched four-level rate equation. 根据光学参量产生的耦合波方程以及声光Q开关运转的四能级系统速率方程,分析内腔OPG过程的动态特性以及输入输出特性。
The gas sensing method based on intra-cavity optical fiber ring laser ( ICOFRL) technology is subjected to wide attention at home and abroad because of its high sensitivity, low detectable concentration and other features. 基于光纤环腔激光技术的气体传感方法因为具有很高的检测灵敏度,受到了国内外的广泛关注。
The grin lens gas cell is designed which can reduce interference signal. And the principle of intra-cavity absorption spectroscopy technique is given. 设计了可以减小干涉噪声的小型渐变折射率透镜气室结构,并结合内腔吸收谱技术,实现了气体浓度的高精度测量。
Our calculation proved that the quantum properties of the signal optical beam can be maintained after its frequency is conversed during the intra-cavity nonlinear optical interaction. 计算表明信号光在内腔非线性作用下改变频率,其量子特性可以保持不变。
Studying the intra-cavity frequency-conversing properties of optical superlattice, exploring its intra-cavity usages, and improving the performance of lasers with intra-cavity optical superlattice are of significance in both science and applications. 研究光学超晶格材料在激光器腔内的频率转换特性,以及探索其应用,对于提高此类激光器的性能,拓展应用领域,具有重要的科学价值和应用意义。