光纤干涉仪
- 网络fiber optic interferometer;fiber-optic interferometer;optical fiber interferometer
-
基于光纤干涉仪的振动频谱测量技术研究
Research on Vibration Frequency Spectrum Measurement Based on Optical Fiber Interferometer
-
一种新型光纤干涉仪的相位噪声及灵敏度分析
The phase noise and sensitivity analysis of a novel optical fiber interferometer
-
利用光纤干涉仪对FRP加固件剥离破坏的无损检测仿真研究
Simulation Study on Non-Destructive Method of Debonding in FRP Reinforcement Elements Based on Fiber-Optic Interferometer
-
偏振无关Michelson光纤干涉仪的可见度
The visibility of polarization-insensitive fiber-optic Michelson interferometers
-
之后,又搭建了基于宽波长扫描激光的FBG传感系统与光纤干涉仪复用的传感系统。
At last , we set up a multiplexed sensor system with wide-wavelength scanning laser FBG sensing system and fiber optic interferometers .
-
针对激光超声中固体表面波的传播特性,研究了一套斐索光纤干涉仪系统并实现了对YAG激发的铝材料表面波的检测。
On propagation characteristic of material surface wave in laser ultrasonic , Fizeau fiber interferometer system which implements measure of SAW on YAG laser is researched .
-
数字化相位生成载波(PGC)方法是实现光纤干涉仪大动态范围、高精度信号检测的主要手段。
Digital phase generated carrier ( PGC ) is the key method for larger dynamic and high sensitivity detection of optical fiber interferometers .
-
针对光纤干涉仪条纹的CCD动态测量技术,分析了限制条纹最大允许移动速度的因素,提出了采用中值滤波提高信号处理速度的方法。
In view of CCD dynamic measurement technique for optic fiber interference fringe , the factors affecting maximal permissible movement speed of interference fringe are analyzed and a method for improving signal processing speed with median filtering is proposed .
-
Sagnac光纤干涉仪,亦称之为干涉式光纤陀螺(IFOG),是一种基于Sagnac效应,用来测量旋转角速度的设备。
Sagnac fiber interferometer , also called interferometric fiber optic gyroscope ( IFOG ) is a device based on Sagnac effect and is used to measure the rotation velocity .
-
基于Sagnac环结构的光纤干涉仪具有较高的信噪比和检测灵敏度,并且成本低廉,易于构建和维护,在大范围入侵检测定位上具有明显优势。
Sagnac interferometer , which has high reliability noise ratio , high detection sensitivity , low cost and easiness to construct and maintain , is very suitable for large-scale intrusion detection .
-
本文主要内容如下:首先,应用Jones矩阵法对法拉第旋转镜(FRM)消除光纤干涉仪偏振衰落的原理作了分析。
The main contents of this thesis are as follows : Firstly , the principle of eliminating polarization-induced fading in fiber interferometer with Faraday Rotator Mirrors ( FRM ) is analyzed by Jones matrix method .
-
提出了一种结合正常色散和反常色散效应来提高M-Z光纤干涉仪灵敏度的新方法,并在实验上验证了该方法的有效性。
In addition , we suggested a novel method to enhance the sensitivity of the M-Z interferometer by combining the anomalous dispersion and normal dispersion at the resonance region .
-
本文用数值仿真的方法研究了基于LP01模和LP02模干涉的少模光纤干涉仪的性能与光纤参数的关系。
Few-mode fiber interferometer ( FMFI ) which based on LP01 and LP02 modes interference is numerically studied in this paper .
-
利用法拉第旋转镜(FRM)把Sagnac光纤干涉仪的环形光纤臂改成单臂直线结构的新型零程差干涉仪,克服了传统Sagnac光纤干涉仪结构上的缺点。
The novel zero-path-difference interferometer , of which the annular fiber arm of Sagnac interferometer is converted into linear structure by using a Faraday rotator mirror ( FRM ), can overcome the shortcoming of traditional optical fiber Sagnac interferometer .
-
利用非平衡光纤干涉仪系统和相位产生载波(PGC)调制解调技术测得激光器的相位噪声为3×10-5rad/(1/2)~(Hz)(1kHz)。
Using the unbalanced fiber interferometer and the phase generated carrier modulation and demodulation technology ( PGC ), the phase noise achieved by testing is 3 × 10-5rad / ( 1 / 2 ) ~ ( Hz )( 1kHz ) .
-
其次对光纤干涉仪的相位特性进行深入研究。
Secondly , the phase of fiber optic interferometer is researched .
-
用于低温下磁光科尔效应高精度测量的萨格奈克光纤干涉仪
Sagnac fiber interferometer for high sensitivity MOKE measurements at cryogenic temperatures
-
波长扫描光纤干涉仪动态扫描特性的研究
Study on dynamic scanning characteristics of wavelength scanning fiber optic interferometer
-
输入光偏振态对光纤干涉仪条纹可见度的影响
The Influence of Input Polarization on Fringe Visibility of Fiber Interferometer
-
利用全光纤干涉仪检测小相位移的研究
Measurement of Small Phase Shifts by Using an All-Fiber Interferometer
-
本文利用数值仿真研究了少模光纤干涉仪中少模光纤与单模光纤的对准偏差对调制深度的影响。
Few-mode fiber ( FMF ) interferometer is numerically studied .
-
表面粘贴光纤干涉仪测量复合材料梁的分层
Surface Sticked Fiber Optical Interferometer for the Detection of Delamination in Composites
-
扬氏光纤干涉仪测量激光谱线线宽
Measuring laser linewidth with Young 's optical fiber interferometer
-
合成光源串联光纤干涉仪及仿真研究
Principle of series fiber optic interferometer with synthesized source
-
一种新型高灵敏度光纤干涉仪
A new type of fiber-optic interferometer with high sensitivity and common mode compensation
-
光纤干涉仪输入光偏振态反馈控制理论分析
Theoretical analysis of feedback control on input light polarization of fiber optic interferometer
-
波长扫描光纤干涉仪扫描模型的建立及分析
Establishment and analysis of scanning model of a wavelength scanning fiber optic interferometer
-
光纤干涉仪动态相移测量的新方法及应用
New Measurement Method for Dynamic Phase Changes in Fiber Interferometer and Its Applications
-
探索了一种基于光纤干涉仪的激光波长识别方法。
A method of recognizing the laser wavelength based on fiber interferometer is researched .
-
用光纤干涉仪测量压电位相调制器的相移系数
Measurement of the phase-shift coefficient of piezoelectrical phase modulator by use of fibre interferometer