Interferometer相关论文
设计并验证了基于三芯光纤马赫-曾德尔干涉仪(Mach-Zehnder interferometer,MZI)的应力不敏感向量曲率传感器.该干涉仪的结构是在......
A distributed acoustic sensing (DAS) scheme is presented.Rayleigh backscattered light which contains acoustic signal ind......
Optical detection of ultrasonic wave presents several advantages over conventional acoustic technique.Two-wave mixing (T......
针对目前外差干涉仪扫描范围小、稳定性低和均匀性差等缺点，提出了基于MEMS／Fθ透镜组合的主动光学扫描系统，建立了该扫描系统的数......
A 4-channel Fourier transform polarization spectrometer is conceptually proposed and experimentally demonstrated as an e......
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叙述了次条纹积分干涉计量的原理，仅用一幅光载频干涉条纹图获取全部位相信息。先用分段积分法求出条纹初始位相，再由最小二乘原理，迭......
A photonic approach to concurrently measure the angle-of-arrival (AOA) and the chirp rate of a linear frequency modulate......
空间激光通信中发射波面质量接近衍射极限, 测量波面是调整和检验发射系统的依据。传统的平板剪切干涉仪是测量波面的有效手段之一......
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本文通过理论计算与数值模拟,提出了不同阶数的高阶模式间相对相位的判定与锁定方法。在像平面对两束光的干涉光斑进行空间取样,计......
用惠更斯-基尔霍夫公式对小孔干涉仪的滤波孔进行计算及分析后指出:尽管滤波孔小于爱里斑,滤波孔的位置对参考波的质量仍有影响。......
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光栅拼接法是目前制作大尺寸平面衍射光栅的重要方法之一，而拼接误差是评价拼接光栅是否能够使用的重要指标之一。实时定量测量拼接......
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长脉冲激光打靶的直接驱动方式效率较高，但对激光强度变化非常敏感。利用测量自由面速度历史的方法对激光直接驱动准等熵压缩实验技......
全球大气风场温度场探测具有重要的学术意义及广泛的应用前景。O2分子的红外大气带([a1Δg←X3Σg])在1.27 μm波段的气辉具有相对......
我们利用重铬酸明胶作为全息记录介质,制得了分光比接近1:1,总衍射效率超过60%的双重全息透镜.本文讨论了这种全息透镜作为Sagnac......
为实现对小视场光学镜头波像差的快速、高精度检测，将自准直原理与斐索型激光球面干涉仪检测波像差原理结合起来，提出一种基于自准直......
为解决光纤干涉仪输出条纹可见度受单模光纤双折射效应引起的偏振衰落影响,提出一种消除偏振衰落的简单方法,该方法可同时实现光纤......
The distributed acoustic sensing (DAS) has been extensively studied and widely used. A distributed acoustic sensing syst......
利用耦合模理论，分析了马赫-陈德尔(Mach-Zehnder)干涉型波分复用器的复用间隔，波长隔离度及输出功率等特性，讨论了它的温度稳定性，并......
介绍了3种常用的测量横向激励的脉冲气体激光器流场特性的检测方法，即干涉法、纹影法和光线偏折法。利用上述测量方法实现了对一台C......
报道了光学外差法测量表面起伏精度及横向分辨精度达到0.11 nm及4 μm.本文采用的是完全共光路外差干涉系统,阐述了它的原理、构造......
针对分幅面成像任意反射面速度干涉仪(VISAR)时间分辨和速度分辨的不足，研制了一套超高时间分辨空间相移面成像VISAR。用双VISAR干......
本文将正交光栅干涉仪的条纹箱分离,获得两个方向上的条纹箱.对于由N个分立点组成的物体,从两个条纹箱可以得到由N~2个点组成的像.......
讨论了干涉测试表面功率谱密度(PSD)的移相式数字波面干涉仪需注意的问题，即如何保持严格相干性；引起波面测量误差的干涉场杂纹消除......
提出并演示了一种由两光纤构成的杨氏干涉解调系统的全光纤低相干光纤位移传感系统。该技术从根本上避免了光源频率、光强的波动,......
针对平面干涉仪参考镜误差的标定方法进行文献综述。根据干涉原理分析了干涉仪系统误差的主要来源, 干涉仪测量原理是携带参考面信......
With propagating through a dispersive medium,the temporal–spectral profile of optical pulses should be inevitably modif......
A Mach-Zehnder interferometer(MZI)for high temperature(1000°C)sensing based on few mode fiber(FMF)was proposed and expe......
As a promising spectral window for optical communication and sensing, it is of great significance to realize on-chip dev......
Real-fringe DASH interferometer for upper atmospheric wind and temperature observation concept and s
Doppler asymmetric spatial heterodyne spectroscopy(DASH)is a new technology for measuring upper atmospheric winds by......
介绍研制成的一台移相式数字平面干涉仪，其孔径为φ２４５ｍｍ，用液面作基准标定并消除仪器的系统误差，准确度优于λ／５０（峰谷值，λ＝０．６３２８μｍ），利用计算机辅助干......
MEASUREMENT OF LOCAL CONVECTIVE HEAT TRANSFER COEFFICIENT FOR PLATE CALORIMETER BY POLARIZATION INTE
<正> Ⅰ. INTRODUCTIONThe interferometric system using a Wollastone prism is called Schlieren interfero meter or differen......
利用耦合理论，分析了马赫－陈德尔（Ｍａｃｈ－Ｚｅｈｎｄｅｒ）干涉型波分复用器的复用间隔，波长隔离度及输出功率等特性，讨论了它的温度稳定性，并对其波长调谐性进行......
叙述了测量微观不平度的９０°相移激光干涉仪的原理和构成，对这种新型干涉仪的性能及有关问题作了讨论，测量结果的计算和样品扫描的......
提出并演示了一种由两光纤构成的杨氏干涉解调系统的全光纤低相干光纤位移传感器系统。该技术从根本上避免了光源频率、光强的波动......
<正> The Miyun Solar Radio Compound Interferometer (hereafter referred to as '4×16' System) was constructed......
<正> The long decimeter wave from the sun is a solar phenomenon that has not been fully studied. Cole, Mullaly and Watki......
Characteristics of an add-drop filter composed of a Mach-Zehnder interferometer and double ring reso
A planar lightwave circuit (PLC) add-drop filter is proposed and analyzed, which consists of a symmetric Mach-Zehnder in......
本文讨论数字式小型激光球面干涉仪设计研制目的、意义以及干涉的光学系统及仪器结构设计原则和设计精度指标分配。简述干涉图像数......
Recent development of high-power laser system leads us to investigate the equations of state (EOS) of condensed matters ......
To understand the formation process of vacuum gap in coaxial microsecond conduction time plasma opening switch(POS),we h......
Fiber in-line Fabry–Pérot interferometer for simultaneous measurement of reflective index and temper
A fiber in-line Fabry–Pérot interferometer is presented. The sensing head consists of a micro ellipsoidal air cavity a......
The effects of working pressure on the component, surface morphology, surface roughness, and deposition rate of glow dis......
A synthesized scheme is presented to solve the ambiguity problems in ab-solute distance measurement, the principle and t......
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Application of a Double-Wollaston-prism Laser Differential Interferometer in Plasma Focus LUMingfang; YANG Tsinchi;......
