F-P tunable filter demodulation system is choosed by FBG landslide monitoring system.
滑坡监测系统最终选择光纤f - P可调滤波器解调法。
Choose a distributed FBG sensing demodulation system, namely tunable F-P filter method.
选定了一套分布式FBG传感解调系统,即可调谐f - P滤波法。
The strain sensing properties of F-P sensors are researched based on coupled-wave theory.
研究了使用此传感测试系统实现纵向调整索预应力及振动监测的理论和方法。
Theoretical analysis and experimental research in the dispersion compensator based on F-P etalon are presented.
本文对基于F - P标准具的色散补偿器进行了理论和实验研究。
Resonant wavelengths is demodulated by using a turnable F-P interferometer of simple and small frame and practicability.
谐振波长的解调采用可调谐f - P腔干涉解调,结构简单,体积小,易于实用化。
In this paper, inject-locking method, low fitness F-P coupler method and Grating line selection method were investigated.
本文中,分别研究了注入锁定、低锐度f - P耦合、光栅选线等三种调谐方法。
A set of wavelength reference is involved in the system as calibration to correct non-ideal performance of the F-P filter.
针对F-P滤波器的非线性特性的影响,分析了设置波长参考的必要性并提出了具体方法。
Resonant wavelengths is demodulated by using a turnable F-P interferometer of simple and small frame and with practicability.
谐振波长的解调采用可调谐f - P腔干涉解调,结构简单,体积小,易于实用化。
Based on the theory of Fabry-Perot, the influence of light source on optical fiber F-P strain sensor system has been analyzed.
从多光束干涉的基本原理出发,分析了光源光谱对光纤法布里珀罗应变传感系统的影响。
Condition of limiting light of nil suck nonlinearity periodic structure optical medium filled in F-P cavity are discussed in this paper.
讨论在F—P腔中无吸收的非线性周期结构光学介质的限光条件。
The F-P type tunable liquid crystal (LC) optical filter is a kind of compact tunable filter with narrow bandwidth and low tuning voltage.
型可调谐液晶光学滤波器是一种小体积窄带宽低压调谐滤波器。
Optimal design of F-P MCIRDA has been achieved and structure parameters of movable micro-mirror has been determined by theoretical analysis.
通过理论分析,完成了F - P MCIRDA的优化设计,确定了可动微镜的结构参数。
Fourthly, the F-P liquid level sensor was fabricated, the practical measurements were carried out both for the air pressure and the water level.
实际制作了双光路光纤F-P腔液位传感器,进行了实际气压模拟试验和实际水位测量试验,取得成功有价值的结果;
A scheme Of optical fiber displacement sensor with renective dual F-P interferometers is presented. In this scheme a LED is used as light source.
提出了一种反射式双F-P干涉仪光纤位移传感器方案,在这个方案中采用LED作为光源。
The influence of the reflection phase shift and its dispersion on the optical performance of the short-cavity (SC) F-P interferometer was analyzed in details.
以此为基础,较为系统地研究了高反射镜面的反射相移及其色散对短腔长的F-P干涉仪光学性能的影响。
The studies on an optical soliton source which is prepared using a gain -switched DFB laser, a F-P optical filter and an Er-doped fiber amplifier are reported.
报道了利用增益开关分布反馈半导体激光器、F-P光学滤波器及掺饵光纤放大器研制成光孤子源的研究工作。
The reflectivity of optical mirrors can be obtained by measuring linewidth of transmission spectrum of optical cavity and the fineness of Fabry-Perot (F-P) cavity.
谐振腔精细度法是通过测量光学谐振腔透射谱线宽度来实现对光学反射镜反射率的测定。
In case the spectrum of incident beam is a function of triangular form, we calculated the spectral distribution of transmission through the F-P etalon with a computer.
当入射光束频谱为三角形函数时,我们用计算机计算了透过F - P标准具以后的频谱分布。
On measuring the spectral linewidth by means of photographing the fringes of the F-P etalon, the influence of the instrument width on the measured results has been discussed.
本文讨论了用F-P标准具的照相法测量光谱线宽时,仪器宽度对测量结果的影响。
At the present time, the mainstream optical filter techniques including dielectric thin-film filter, array waveguide (AWG), Fabry-Perot (F-P) filter, fiber Bragg grating (FBG).
目前主要滤波技术有薄膜干涉滤波器、阵列波导光栅(awg)和光纤布拉格光栅(FBG)。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器,白光光源经过腔长受温度调制的F - P传感器选频后,用平面光栅和线阵CCD实现光波波长的解调。
Amutual pulse injection-seeding scheme is developed to generate tunable dual-wavelength optical short pulses by the use of two gain-switched fabry-perot (F-P) semiconductor lasers.
报道了两个增益开关调制的法布里珀罗半导体激光器互注入锁定实验方案,可产生双波长可调谐光脉冲。
The actual gain peak value is much smaller than the simplified mode of F-P cavity, but the effect is light to the full width at half maximum with the mode of efficient cavity length.
有效腔长使实际增益峰值比f - P腔简化模型的预测值要小,但对半值全宽带宽的影响相对较弱。
Demodulation experiment is done using fiber F-P sensor and FBG sensor respectively, the results are as following: The choosing tunable fiber F-P filter can meet the requirement of system;
分别使用光纤F-P和FBG传感器进行解调实验,实验结果表明:选用的可调珐珀滤波器能够很好的满足系统要求;
By using these equations, the frequency-tuning characteristics of te (a) CO2 lasers, using such techniques as grating, F-P modulator, or injection locking, can be investigated theoretically.
利用这个方程组,可以从理论上研究采用各种可调谐技术(如光栅调谐、F - P调制器调谐、注入锁模等)的TE (A) CO_2激光器的调谐特性。
Three methods of detecting submerged object based on Brillouin scattering, high resolution scanning F-P interferometer, edge detection technique and solid F-P etalon-ICCD camera, are introduced.
介绍三种基于布里渊散射的水下目标探测方法:F-P扫描干涉仪探测方法、边缘探测方法、F-P标准具-ICCD探测方法,并对这三种方法进行了分析和比较。
Simultaneously, it could solve the issue of mass production of F-P sensor, and offer basis for the purpose of wide application of F-P sensor, which is also significant from aspect of application.
同时可望解决光纤珐-珀传感器的批量制造问题,从而为微光纤珐-珀传感器的广泛应用奠定基础,因此,具有重要的应用价值。
With the advantages of good stability, high precision and good electromagnetic resistance, the Fabry-Perot(F-P) strain sensor get increasing applications in the bridge structure status monitoring.
光纤法-布(F-P)应变传感器具有稳定性好、精度高、抗电磁干扰能力强等特点,在桥梁结构状态监测中得到日益广泛的应用。
With the advantages of good stability, high precision and good electromagnetic resistance, the Fabry-Perot(F-P) strain sensor get increasing applications in the bridge structure status monitoring.
光纤法-布(F-P)应变传感器具有稳定性好、精度高、抗电磁干扰能力强等特点,在桥梁结构状态监测中得到日益广泛的应用。
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