The principle of intracavity laser absorption and the relationship between gas concentration and the laser build-up time is outlined.
介绍了掺铒光纤激光器内腔吸收谱的基本原理，以及激光激射延迟时间与气体浓度的关系。
Quantitative remote sensing of natural gas leakage and location research, with laser absorption spectroscopy, will be faster, safer, more accurate and intelligent.
采用激光吸收光谱技术对天然气泄漏进行了定量遥测与定位研究，具有快捷、准确、智能及安全等特点。
Tunable diode laser absorption spectroscopy has been applied in the fields of atmospheric chemistry and monitoring pollutant gases as a new method of measuring trace gases.
红外可调谐二极管激光吸收光谱技术作为新的痕量气体监测分析方法，在大气化学研究和污染气体监测中得到了应用。
In this paper, principles of measuring gas in coal mine according to tunable diode laser absorption spectroscopy are introduced and outline of this measuring system is given.
介绍了可调谐二极管激光吸收光谱法测量煤矿瓦斯气体的基本原理，给出了测量系统的结构框图。
The principle of diode laser absorption spectroscopy (DLAS) applied to the combustion measurement of multi-species and multi-parameters is first briefly introduced in this paper.
本文首先简述了二极管激光吸收光谱术（DLAS）用于燃烧多组分多参数测量和控制的原理和方法。
The ignition threshold of laser supported detonation wave (LSDW) can be determined based on the component variation of plasma in the laser absorption zone with laser power density.
根据激光吸收区等离子体组分与激光功率密度的关系判定激光支持爆轰波(LSDW)的点燃阈值。
Scholes and his team studied the light-harvesting protein complexes within algae by using laser pulses to mimic absorption of sunlight.
斯科尔斯和他的研究小组利用激光脉冲模拟太阳光的吸收，研究了海藻的聚光蛋白复合物。
The measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.
详细地讨论了微分吸收激光雷达测量气体密度时中心频率的漂移所引起的测量误差。
With differential absorption laser radar as background, the key techniques related in designing real-time monitor and control system based on WDM (Wavelength Division Multiplexing) are studied.
以差分吸收激光雷达为背景，对基于WDM的实时监测控制系统的设计中涉及的关键技术进行研究。
Some problems such as the optimizations of transmitting power and detection precision of differential absorption laser radar have been also approached in the paper.
还探讨了微分吸收激光雷达的发射功率的优化和探测精度的优化等问题。
The pumping light wave and the laser oscillation wave are determined by the ultraviolet-visible absorption spectra and fluorescence spectra, respectively.
由吸收光谱确定泵浦光波长，由荧光光谱确定激光振荡波长。
The mechanism of intracavity absorption spectroscopy is described by the semiclassical theory of mode coupling in laser, and an analysis of the factors that determine sensitivity is given.
本文用激光器模式耦合半经典理论，阐述激光腔内吸收光谱学方法的物理机制，探求影响灵敏度的因素。
The calculated result indicates that a major error of differential absorption laser radar comes from the shift of its center frequency.
计算结果表明，中心频率的漂移是微分吸收激光雷达主要的误差来源。
The small signal gain coefficient is larger than the absorption coefficient in the whole spectral region, which also confirms the possibility of the laser oscillation in this region.
在整个第一三重态跃迁区域内，小信号增益系数大于吸收系数，证实了产生激光振荡的可能。
In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.
本文研究了当激光脉冲线宽远大于被测吸收物质的吸收线宽时，衰荡光谱满足的规律，以及在这种情况下，测量灵敏度的大小。
Electron absorption image shows that the effect of CW-CO2 laser annealing is not very uniform in our case.
电子吸收像表明：我们的CW CO_2激光退火条件下，其效果并不很均匀。
Based on the absorption spectrum of blood, some Suggestions are presented, such as the optimum wavelength irradiation, the ultraviolet laser irradiation and the extravascular laser irradiation.
从全血吸收光谱出发，提出了实验最佳激光参数疗法，紫外相干光照射疗法、激光血管外照射疗法等思路与建议。
We present a signal_processing system developed for enhancing the sensitivity of absorption measurement based on tunable diode laser wavelength modulation spectroscopy.
基于可调谐半导体激光吸收光谱，提出了一种新的信号处理方法用于提高吸收光谱测量的灵敏度。
A gas flow model with laser plasma as heat source was developed based on axial symmetric Euler equations in the laser propulsion rocket engine absorption chamber.
以轴对称非定常欧拉方程为基础，建立了激光推进火箭发动机吸收室内纯气相单组分、以激光等离子体为内热源的流场模型。
The nonlinear two-photon absorption of Nd ions in Nd-doped laser glasses was studied with single picosecond laser pulses from a mode-locked Nd glass laser.
利用锁模钕玻璃激光器的单个微微秒激光脉冲，研究了掺钕激光玻璃中钕离子的非线性双光子吸收。
Furthermore, the absorption and shielding mechanism of laser by arc plasma was discussed.
同时，文中还对电弧的等离子体特性对激光吸收和屏蔽的机理进行了论述。
The main research issues for laser plasma interaction are the propagation and absorption of the laser in plasma, parameter instabilities, the generation mechanism of super-thermal particles, etc.
它主要研究激光在等离子体中的传播、吸收，各种参量不稳定性、超热粒子的产生机制等。
This shows that the negative Kerr effect of the SESAM can contribute to the self-starting of the modelocked laser besides the saturable absorption mechanism.
这说明SESAM的可饱和吸收机理具有锁模自启动效应外，其负克尔效应也有助于锁模的自启动。
According to the relationship between the crystal doping concentration and the laser pump light absorption, gives the ladder doped crystal.
根据激光晶体掺杂浓度与泵浦光吸收之间的关系得出了阶梯掺杂晶体模型。
The particle size and distribution were determined by transmission electron microscopy and laser particle size distribution analyzer, ultraviolet-visible absorption curve was also characterized.
通过透射电镜、激光粒度分布仪等测定了纳米颗粒的粒径和分布情况，并对纳米金溶胶的紫外可见吸收曲线进行了研究。
Considering the volume absorption of the laser, this paper regards the high-power pulse laser as a heat source which decreases exponentially with its penetration depth.
考虑激光的容积吸收，将高强度脉冲激光处理为沿光程指数衰减的内热源。
Then the paper researches into atmospheric absorption which influences on atmosphere laser transmission, scattering, rapids, thermal blooming effect and the constructs atmospheric channel model.
论文研究了影响大气激光传输的大气吸收、散射、湍流和热晕效应，构建了大气信道模型。
What is of prime importance is that consideration is given to the predominant chromophore in any target tissue and the laser wavelength matched to achieve maximum absorption of light energy.
什么是最重要的是，考虑到的主要目标色在任何组织和激光波长相匹配，以实现最大吸收光能。
A mathematic model of the pump power absorption and distribution in the LD side pumped solid state laser medium is set up.
通过对激光二极管(LD)侧面抽运激光介质的分析研究，建立了二极管侧面抽运激光介质所吸收的抽运光功率分布的数学模型。
A mathematic model of the pump power absorption and distribution in the LD side pumped solid state laser medium is set up.
通过对激光二极管(LD)侧面抽运激光介质的分析研究，建立了二极管侧面抽运激光介质所吸收的抽运光功率分布的数学模型。
应用推荐