Wavelength modulation spectroscopy (WMS) is an important technique of TDLAS.
波长调制光谱(WMS)技术是TDLAS技术中一种重要技术。
Then, the idea that detecting oxygen concentration by using laser diode wavelength modulation and harmonic signal treatment was proposed.
在分析比较的基础上,提出将激光二极管发射波长调制及谐波检测分析处理技术用于氧气浓度检测。
Difference absorption measurement and wavelength modulation harmonic measurement are two fundamental approaches for gas light absorption detection.
差分吸收检测和波长调制谐波检测是气体光吸收检测的两种基本方法。
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。
Remarkably, the new technique, which the researchers call absorbance modulation, makes it possible to create lines that are only about one-tenth as wide as the wavelength of light used to create them.
这项了不起的新技术,研究人员成为吸光率调制,使得制造出所用光线波长十分之一粗细的线条成为可能。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
Chaos is also controlled into periodic state and multi-periodic state by a method of a wavelength periodic modulation.
波长周期相位相移调制控制也能使混沌激光控制到三周期态和多周期态等。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
The wavelength conversion based on cross gain modulation in a semiconductor optical amplifier (SOA) has been experimentally studied.
对基于半导体光放大器交叉增益调制的波长转换进行了实验研究。
In this paper, wavelength conversions based on cross-gain modulation (XGM) and cross-phase modulation (XPM) in SOA are studied both in theory and computer simulation.
本论文对基于SOA中交叉增益调制(XGM)效应和交叉相位调制(XPM)效应的波长转换器进行了较全面的理论分析和仿真研究。
Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
According to the CWDM wavelength dependent transmission characteristics, an FBG sensing DE - modulation method was proposed and an experiment system was established.
本文利用粗波分复用器(CWDM)的传输特性与波长的关系,提出了一种FBG传感解凋方法并建立了实验系统。
The characteristics of spectrum linewidth, FM modulation and variability of wavelength are presented.
并对频谱线宽、FM调制特性和波长可变特性作了介绍。
Both functions of intracavity loss modulation and selection of laser output wavelength are simultaneously provided by this Q-modulation scheme.
此调q方案同时提供了腔内损耗调制和对激光输出波长选择的功能。
For the reason above, regular optical phased array is used only when the size of the modulation unit is smaller than half of the size of the working wavelength.
所以通常规则光学相控阵只用于调制单元的尺寸小于工作波长的一半的情况。
The wavelength conversion characteristics under the small signal modulation and the converted waveform distortion under the large signal modulation are discussed respectively.
分别讨论了小信号下波长转换特性和大信号下转换波形的畸变情况。
The frequency shift induced by cross-phase modulation (XPM) in dispersion-shifted fiber (DSF) is experimentally studied, then wavelength conversion is achieved through filtering by fiber grating.
对色散位移光纤中交叉相位调制效应导致连续波产生频移进行了实验研究,并用光纤光栅滤波实现了波长转换。
Passively synchronized femtosecond and picosecond laser pulses are obtained by achieving cross mode-locking induced by cross-phase modulation in a dual-wavelength femtosecond ti: sapphire laser.
在双波长钛宝石激光器中通过交叉相位调制实现了飞秒和皮秒脉冲的交叉锁模,得到了被动同步的飞秒和皮秒脉冲。
Passively synchronized femtosecond and picosecond laser pulses are obtained by achieving cross mode-locking induced by cross-phase modulation in a dual-wavelength femtosecond ti: sapphire laser.
在双波长钛宝石激光器中通过交叉相位调制实现了飞秒和皮秒脉冲的交叉锁模,得到了被动同步的飞秒和皮秒脉冲。
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